When his mother came in the boy pretended .A. reading B. being readC. to readD. to be rea

问题补充：

When his mother came in, the boy pretended .

A. reading

B. being read

C. to read

D. to be reading

答案：

A. reading

B. being read

C. to read

(答案→)D. to be reading

解析：pretend to do假装做某事；pretend to be doing假装正在做某事。句意：当他的母亲进来时，这个小男孩假装在看书。