短文改错

At Christmas Eve, Jim went with his father to choose a Christmas tree. They choose a big one. It was almost as taller as the room! They put them in the corner of the sitting room. Kate was covered it with a lot of Christmas light. The sitting room looked really beautifully at the moment. There was a fire burn in the fire place, and the Christmas tree lights were shinning brightly. Jim or his parents singing and dancing happily.

It's said that he will ______ his uncle's business when he is mature(成熟的) enough to deal with

public relations.[ ]

A. take over  

B. think over

C. hand over  

D. go over