The schoolboys and schoolgirls are walking along the street a small redcap .A. each of th

问题补充：

The schoolboys and schoolgirls are walking along the street, a small redcap .

A. each of them has

B. they each have

C. every wears

D. each wearing

答案：

A. each of them has

B. they each have

C. every wears

(答案→)D. each wearing

解析：A.B两项结构正确，若选A.B，则必须用and连接或把“，”改为“；”，wearing作状语，表伴随。故选D。