IhavereceivedanofferfromaGermanuniversity,butI’mstillhe...

問題詳情：

I have received an offer from a German university, but I’m still hesitating ______ I should accept it.

A. how                  B. why                  C. that                   D. whether

【回答】

D

知識點：連詞

題型：選擇題