Question

Jack is one of those men who I am sure always do ____best even in the most difficult
situations.

A．his

B．your

C．their

D．one’s

Answer 1

C

根据句意排除B，考查“do one’s best”的用法，Jack只是这么众多人中敢于面对困难的人之一，分析清楚句子前后关系可以判断C为正确答案。