we plant our city will be.A. The more trees; the beautifulB. The less trees; the more be

问题补充：

we plant, our city will be.

A. The more trees; the beautiful

B. The less trees; the more beautiful

C. The more trees; the more beautiful

D. The less trees; the beautiful

答案：

A. The more trees; the beautiful

B. The less trees; the more beautiful

(答案→)C. The more trees; the more beautiful

D. The less trees; the beautiful

解析：本题的含义为我们栽的树越多，我们的城市将变得越美丽，本题考查形容词的比较级。The+比较级，the+比较级, 表示越……越……的含义.more修饰trees表示更多，beautiful的比较级为more beautiful，故本题选C。