Question

It was lack of money, not of effort, _________ defeated their plan.

A．which

B．as

C．that

D．what

Answer 1

C

整个句子为强调句，被强调成分为 lack of money, not of effort。由于句中插入 not of effort 这一结构，干扰了许多同学对 it was lack of money that defeated their plan 这一强调句的认识和理解。