America is a ________ country, while China is a _______ one.

America is a ________ country, while China is a _______ one.

A.developed; developed

B.developing; developing

C.developed; developing

D.developing; developed

答案及解析： C

解析：

developed和developing都是形容词，都可作定语。developed意为“发达的”，developing意为“发展中的”。