Couple Grammar questions

gadgor
Wed, 02 Jun 2010 19:59:11 +0000

The opponents of the bill A(were few) but B. (influential enough) to prevent C.(its) D.(being passed) in the house.


The answer is no error. How so?


In his new book, Quest for Adventures, the A(renowned) British mountaineer Chris Bonington examines the B(past century’s) most remarkable expeditions, C(profiling) such explorers D(including) Neil Armstrong, Thor Heyerdahl, and Maurice Herzog.


The answer is D. Can someone explain?