She was supposed at home at the moment but her mother found her in the park.A. to be rea

问题补充：

She was supposed at home at the moment, but her mother found her in the park.

A. to be reading

B. read

C. reading

D. to have read

答案：

(答案→)A. to be reading

B. read

C. reading

D. to have read

解析：句意：这个时间她应该在家，但是她的母亲发现她在公园里。这里be supposed to do;又因为at the moment故用不定式的进行时，be supposed to be doing应该正在做某事。故选A。