Do you think the reason you gave for your absence is reasonable?A. asB. whatC. thatD. why

网友回答

A. as
B. what
(答案→)C. that
D. why
解析：考查定语从句：句意：你认为你给的迟到的理由合理吗？这是定语从句，先行词是the reason，定语从句中for后面缺少宾语，用that或which引导定语从句，选C。