Gmat Sentence Correction 61, 62

61). Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summer of 1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.

A) Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summer of 1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.

B) Although not announced until February, 1968, in the summer of 1967 graduate student Jocelyn Bell observed the first pulsar, or rapidly spinning collapsed star, to be sighted.

C). Although observed by graduate student Jocelyn Bell in the summer of 1967, the discovery of the first sighted pulsar, or rapidly spinning collapsed star had not been announced before February, 1968.

D). The first pulsar, or rapidly spinning collapsed star, to be sighted was observed in the summer of 1967 by graduate student Jocelyn Bell, but the discovery was not announced until February, 1968.

E) The first sighted pulsar, or rapidly spinning collapsed star, was not announced until February, 1968, while it was observed in the summer of 1967 by graduate student Jocelyn Bell.

62). During the same period in which the Maya were developing a heiroglphic system of writing, the Aztec people also developed a written language, but it was not as highly sphisticated as that of the Maya and was more pictographic in nature.

A). but it was not as highly sphisticated as that of the Maya and was

B). but it was not as highly sophisticated as the Maya, being

C). but, not as highly sophisticated as the Maya's, was

D). not as highly sphisticated as that of the Maya, however, being

E). not as highly sphisticated as the Maya's however, it was


Answer -

61). Best answer choice is D

A – incorrect – usage of past perfect tense incorrect here.

B – incorrect – dangling modifier—“Although not announced”…. “ graduate student Jocelyn Bell”

C – incorrect – dangling modifier – “observed”.. “discovery of”

E – incorrect – usage of “while” is wrong here. Further the sentence conveys the idea that the pulsar was announced which is wrong – sighting was announced instead.

62). A is the best choice.

B– incorrect – wrong comparison – comparing system of writing with Maya. Further options having “being” in them must be avoided on GMAT

C, D, E – incorrect –Subject of the sentence not clear.

E – incorrect – run-on sentence