Question

【题目】There is no simple answer, ________ is often the case in science.

A. as B. that

C. when D. where

Answer 1

【答案】A

【解析】

试题分析：考查定语从句。句意：没有简单的答案，就像科学一样。as引导非限制性定语从句；as is often the case，意思是“情况常常如此”。