_the leftover food,Tom threw it out of the doorway

问题描述:

_the leftover food,Tom threw it out of the doorway
A Drying out B Having dried out
C Having been dried out D To dry out

选B
原因:这句话有前后关系的动作,先是剩余食物腐烂,然后再把它扔了,所以用完成时,是主动,并且作为伴随状语