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. have always been throwing

答案：

A. always throw

B. have always thrown

(答案→)C. are always throwing

D. have always been throwing

解析：always和进行时连用，表达说话人对主语的行为讨厌、反感的感情色彩，表达的是一般现在时的概念。选项A只说明经常性的动作，不含感情色彩；always通常不和完成时连用。