问题
选择题
The reason _______ he gave at the conference last week for his being carelessness was funny.
A．why
B．for which
C．that
D．for that
答案
答案：C
考查定语从句。句中先行词为the reason，在从句中作gave的宾语，故用关系代词that。句意：上个周他在会议上由于他粗心所给出的原因真的好笑。