Faced with challenges, your ability is makes a difference.A. thatB. whichC. howD. what

网友回答

A. that
B. which
C. how
(答案→)D. what
解析：考查表语从句：句意：面对挑战，你的能力是产生影响的东西。表语从句中缺少主语，用what连接表语从句，that在表语从句中不做成分，which是“哪个”，how是“怎样”，不符合句意，选D。