— Are you still thinking about the email Tony sent you yesterday？— Oh to tell the truth th

问题补充：

— Are you still thinking about the email Tony sent you yesterday？

— Oh，to tell the truth,that’s makes me feel excited.

A. What

B. how

C. that

D. why

答案：

(答案→)A. What

B. how

C. that

D. why

解析：考查名词性从句中的表语从句。表语从句中缺少主语，所以使用What。