Andy was crying in his room just now，but he wouldn’t tell me made him so sad.
A. why it was that
B. why was it that
C. what it was that
D. what was it that
网友回答
A. why it was that
B. why was it that
(答案→)C. what it was that
D. what was it that
解析：本题是强调句型的特殊疑问句构成的宾语从句，所有的宾语从句都使用陈述语序，排除BD项。句意：Andy刚刚在他的房间里哭，但是他不会告诉我什么让他如此难过。本句强调的是句子主语，所以使用what。故C正确。