短文填词/高手进

题目

短文填词/高手进
( A )i began walking towards her,i could see the back of the little girl's dress indicated a disability.i guessed maybe that was the( B )the people just passed by and pay no atention to her ,so i sat down and ( C )with a simple "hello".the little girl was ( D )and replied a "hi" in a low voice……
A as/since/before B excuse/reson
C ended/opened D shocked/pleased/worried

答案

as
reason
opened
shocked