The first time I saw her Mary was standing still in the wind her long hair in the air.A.

问题补充：

The first time I saw her, Mary was standing still in the wind, her long hair in the air.

A. is flying

B. flying

C. to fly

D. flew

答案：

A. is flying

(答案→)B. flying

C. to fly

D. flew

解析：考查独立主格结构。her long hair与fly为主谓关系故用现在分词作补语。句意：第一次我见到玛丽的时候她正站在风中一动不动，长发随风飘舞。