— Your room looks a real mess Tony. — ?A. What for B. So what C. What ifD. So how

问题补充：

— Your room looks a real mess, Tony.

— ?

A. What for

B. So what

C. What if

D. So how

答案：

A. What for

(答案→)B. So what

C. What if

D. So how

解析：So what? 意为“那又怎么样呢？”，用来表示说话人对某事不在意，认为其不重要；符合语境。