by one of his fellow soldiers the wounded man walked slowly across the fieldA. Supporting

问题补充：

by one of his fellow soldiers，the wounded man walked slowly across the field．

A. Supporting

B. Supported

C. Support

D. Been supported．

答案：

A. Supporting

(答案→)B. Supported

C. Support

D. Been supported．

解析：考查非谓语动词。Support 与句子的主语the wounded man为动宾关系要用过去分词作状语。句意：靠战友扶持受伤的人慢慢走出了田地。