Question

【题目】I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.

A. that B. when C. where D. why

Answer 1

【答案】D

【解析】句义：我恐怕他比起来一个实践家更是一个空谈家，那就是他一事无成的原因。本文“which is..”引导的一个非限定性定语从句中有一个表语从句根据句意用“why”引导。