题目内容
【题目】There is no simple answer, ________ is often the case in science.
A. as B. that
C. when D. where
【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”。
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题目内容
【题目】There is no simple answer, ________ is often the case in science.
A. as B. that
C. when D. where
【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”。