He was barking let him in.
A. for someone to
B. in case of someone
C. so someone to
D. so that someone
网友回答
(答案→)A. for someone to
B. in case of someone
C. so someone to
D. so that someone
解析：考查目的状语。bark for sb向某人叫，不定式to表示目的性，D项需要情态动词。句意：他叫某人，目的是让他放进来。