—— I think a design which all the ages and social groups is not easy to make.—— I can’t a

问题补充：

—— I think a design which all the ages and social groups is not easy to make.

—— I can’t agree with you more.

A. admits to

B. appeals to

C. objects to

D. sticks to

答案：

A. admits to

(答案→)B. appeals to

C. objects to

D. sticks to

解析：动词短语辨析。A承认，允许进入；B吸引，迎合；C反对；D坚持；句意：—我认为能够吸引所有年龄和社会团体的设计是很难实现的。—我非常同意你的意见。根据句意说明B正确。