Qingdao is one of cities in China.A. the most beautifulB. most beautifulC. more beautifulD

问题补充：

Qingdao is one of cities in China.

A. the most beautiful

B. most beautiful

C. more beautiful

D. very beautiful

答案：

(答案→)A. the most beautiful

B. most beautiful

C. more beautiful

D. very beautiful

解析：句意：青岛是中国最美丽的城市之一。结合语境可知本句是表示在多个中进行比较，故用形容词的最高级，形容词前的定冠词the一般不能省略，故选A。