the worker was very sorry for the trouble he had put his manager____the problema.to solve b.solving c.of solving d.to of solving.....答案我知道，选D， 我想知道原因。。。。为什么呢

the worker was very sorry for the trouble he had put his manager____the problema.to solve b.solving c.of solving d.to of solving.....答案我知道，选D， 我想知道原因。。。。为什么呢
the worker was very sorry for the trouble he had put his manager____the problem
a.to solve b.solving c.of solving d.to of solving
.....答案我知道，选D， 我想知道原因。。。。为什么呢

the worker was very sorry for the trouble he had put his manager____the problema.to solve b.solving c.of solving d.to of solving.....答案我知道，选D， 我想知道原因。。。。为什么呢
选D,put sb.to the trouble of doing sth 麻烦某人做某事.
这句话的意思是说,这个工人因为给麻烦经理解决问题而感到抱歉.

D

选D
put someone to
1. 给…带来（麻烦，困难）
I don't want to put you to any trouble.
我不想给你带来任何麻烦。

A

a

put the trouble to his manager ,of为介词后面加动名词。