Question

Science has given clear evidence ______ smoking can lead to many diseases.

A．what

B．which

C．that

D．where

Answer 1

C

解析试题分析：考查同位语从句。句意：科学已经给出明确的证据，吸烟能够导致很多种疾病。分析句子可知evidence后面从句是解释说明evidence内容的同位语从句，从句结构完整不缺少成分，所以用that引导。正确答案选C。
考点：考查同位语从句。