SC's Question number - 847 , 848

847). The voluminous personal papers of Thomas Alva Edison reveal that his inventions typically sprang to life not in a flash of inspiration but evolved slowly from previous works.

(A) sprang to life not in a flash of inspiration but evolved slowly

(B) sprang to life not in a flash of inspiration but were slowly evolved

(C) did not spring to life in a flash of inspiration but evolved slowly

(D) did not spring to life in a flash of inspiration but had slowly evolved

(E) did not spring to life in a flash of inspiration but they were slowly evolved

848). The Wallerstein study indicates that even after a decade young men and women still experience some of the effects of a divorce occurring when a child.

(A) occurring when a child

(B) occurring when children

(C) that occurred when a child

(D) that occurred when they were children

(E) that has occurred as each was a child

Answers:

847). OA - C - Explanation at the link below

GMAT Sentence Correction Q. No 86

848). OA - D - Explanation at the link below

GMAT Sentence Correction Q. No 65

Gmat Sentence Correction 85, 86

85). Defense attorneys have occasionally argued that their clients' misconduct stemmed from a reaction to something ingested, but in attributing criminal or delinquent behavior to some food allergy, the perpetrators are in effect told that they are not responsible for their actions.

(A) in attributing criminal or delinquent behavior to some food allergy

(B) if criminal or delinquent behavior is attributed to an allergy to some food

(C) in attributing behavior that is criminal or delinquent to an allergy to some food

(D) if some food allergy is attributed as the cause of criminal or delinquent behavior

(E) in attributing a food allergy as the cause of criminal or delinquent behavior

86). The voluminous personal papers of Thomas Alva Edison reveal that his inventions typically sprang to life not in a flash of inspiration but evolved slowly from previous works.

(A) sprang to life not in a flash of inspiration but evolved slowly

(B) sprang to life not in a flash of inspiration but were slowly evolved

(C) did not spring to life in a flash of inspiration but evolved slowly

(D) did not spring to life in a flash of inspiration but had slowly evolved

(E) did not spring to life in a flash of inspiration but they were slowly evolved

Answers --

85). B is the correct answer.
A, C, E - incorrect - "in attributing criminal or delinquent behavior" is modifying perpetrators which is not correct because the defense attorneys are attributing behavior to food allergies.
D - incorrect - doesn't identifies the attributors at all.

86). C is the correct answer - Parallelism - ...not...but..
A, B - incorrect - violating parallelism - right form...not in....but in...
D - incorrect - wrong tense
E - incorrect - passive