. nothing is doing ill.A. DoB. To doC. DoingD. Does

问题补充：

. nothing is doing ill.

A. Do

B. To do

C. Doing

D. Does

答案：

A. Do

B. To do

(答案→)C. Doing

D. Does

解析：考查非谓语动词。句意：什么都不做就是做坏事。动名词作主语表示抽象动作，结合语境可知选C。