问题补充:
Our city is becoming .
A. more and most beautiful
B. more beautiful and more beautiful
C. more and more beautiful
D. beautiful and beautiful
答案:
A. more and most beautiful
B. more beautiful and more beautiful
(答案→)C. more and more beautiful
D. beautiful and beautiful
解析:结合语境可知本句指的是,我们的城市变得越来越美丽了,固定句式more and more……越来越……,故选C。