–FiftydollarsforsuchaT-shirt!You_____bejoking!–I’mseri...

問題詳情：

 –Fifty dollars for such a T-shirt! You _____ be joking!

–I’m serious. It’s made of silk.

A. must       B. need         C. may        D. can

【回答】

A

知識點：情態動詞

題型：選擇題