You things about. Look what a mess in your room! A. always throwB. have always thrownC.

问题补充：

You things about. Look, what a mess in your room!

A. always throw

B. have always thrown

C. are always throwing

D. had always been throwing

答案：

A. always throw

B. have always thrown

(答案→)C. are always throwing

D. had always been throwing

解析：考查时态。本题考查进行时的一个特殊用法，进行时与always连用，表示一种感情色彩，有批评的，也有表扬的。句意：你总是到处乱扔东西，你的房间真乱啊！根据句意说明本句表示的是批评的语气。故C正确。