用括号中所给词的适当形式填空，使语篇意思完整。

Dear Student,

        My name is Bob. I live in Toronto, Canada, and I want a pen pal in China.  

I think China is a very 1             (interest) country. I’m 14 2              (year) old

and my birthday is 3              (on) November. I can speak English and a little4              (france). I have a brother, Paul, and a sister, Sarah. They 5             

(has) pen pals in the United Kingdom and Australia. I like going to the movies

with my friends and 6              (play) sports. 7              (my) favorite subject in

school is P.E. It’s fun. But I 8           (like) math. It’s too difficult! My favorite

movie is The Long Weekend. Do you know it? It’s 9      (a) action movie.

        Please write and tell me about 10              (you).

由于建设工程实施过程中的每个变化都会对目标和计划的实现带来一定的影响，所以，控制人员需全面、及时、准确地了解计划的执行情况及其结果，这就需要通过( )来实现。

A．转换

B．反馈

C．对比

D．纠正