crazy of you to spend more time playing computer games than

題目：

crazy of you to spend more time playing computer games than you ______ studying.
It’s crazy of you to spend more time playing computer games than you ______ studying.
A.are B.do C.have D.will

解答：

B,do
玩電腦的時間比學習的時間還多,你瘋了!
than 前後動詞形式要一致,前面是you spend,所以後邊也應該是you do.