【题目】The reason ______ Mr. Anderson gave for choosing this park is hard to explain.
A.whyB.thatC.for whichD.what
在线课程【答案】B
【解析】
考查定语从句。句意：Anderson先生给出的选择这个公园的原因很难解释。A. why关系副词；B. that关系代词；C. for which介词 + 关系代词；D. what什么。分析句子结构可知，此处是定语从句关系词，先行词reason在从句中充当give的宾语，故用关系代词which/that，故选B项。