___after a long walk,Tom called and said he could not come to the party.A.Worn out B.Having worn...

题目

___after a long walk,Tom called and said he could not come to the party.A.Worn out B.Having worn...
___after a long walk,Tom called and said he could not come to the party.A.Worn out B.Having worn out横线上是选择A,我想问为什么出现after就不能用having?

答案

因为只有在a long walk 之后才wear out（精疲力竭）,如果用了having 则显示出没有客观条件就已然疲惫不堪,这与事实不符,或者说与after齐用时会略显累赘,英语讲究达练而不是冗余.