The pop star walked out of the stage her hands to her crazy fans.A. wavingB. was wavingC

问题补充：

The pop star walked out of the stage, her hands to her crazy fans.

A. waving

B. was waving

C. waved

D. to wave

答案：

(答案→)A. waving

B. was waving

C. waved

D. to wave

解析：考查非谓语动词。waving是现在分词做伴随状语。The pop star与wave之间是主动关系，故用现在分词。