Modern science has given clear evidence smoking can lead to many diseases. A．wha

Modern science has given clear evidence ________ smoking can lead to many diseases.

A．what            

B．which   

C．that             

D．where

试题答案

C解析：名词evidence的含义是“迹象，证明”，空后的“吸烟会导致许多疾病”就是evidence的具体内容。that引导同位语从句时，在从句中不作任何成分。句意：现代科学已经给出明显证据，吸烟会导致许多疾病。故选C项。