SC's Question number - 991, 992

991). Vivien Thomas, who had no formal medical training, in struggling against overwhelming odds, he became a cardiac surgeon and eventually to receive an honorary doctorate from Johns Hopkins University.

A) who had no formal medical training, in struggling against overwhelming odds, he became

B) having had no formal medical training, in struggling against overwhelming odds to become

C) who, having no formal medical training, he struggled against overwhelming odds in becoming

D) who, having had no formal medical training and struggled against overwhelming odds, became

E) who had no formal medical training, struggled against overwhelming odds to become

992). The yield of natural gas from Norway's Troil gas field is expected to increase annually until the year 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for 50 years' production.

A) 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for

B) 2005 and then to stabilize at six billion cubic feet a day, an extraction rate that will allow at least

C) 2005 and then stabilizing at six billion cubic feet a day, with such an extraction rate at the least allowing

D) 2005, then stabilizing at six billion cubic feet a day, allowing such an extraction rate for at least

E) 2005, then stabilizing at six billion cubic feet a day, which will allow such an extraction rate for at least

Answers --

991). E is the best choice - maintains parallelism.

992). B is the best choice

A - incorrect - use of which - ambiguous

C,D,E - incorrect - violating parallelism - to increase .... to stabilize