问题
选择题
Mike didn’t understand _______ made his wife so upset this morning.
A．what was it that
B．what it was that
C．how that was
D．why it was that
答案
答案：B
含有疑问词的强调句型构成“疑问词 +it be that +其他部分。” 此题对主语提问应该用疑问代词what，宾语从句应用陈述语序，所以选B。