【题目】The police have found enough evidence ______ the murderer did on the scene.
A. what B. that
C. when D. how
在线课程【答案】A
【解析】
考查名词性从句。句意：警方已经找到了凶手在现场所为的充分证据。分析句子可知，此句是同位语从句，从句the murderer did on the scene.来解释说明名词evidence。分析从句可知，从句动词did缺少宾语，故用what引导。故选A。