WeChinese So you and I have black eyes and black hair.A. are allB. all areC. both areD. a

问题补充：

WeChinese, So you and I have black eyes and black hair.

A. are all

B. all are

C. both are

D. are both.

答案：

A. are all

B. all are

C. both are

(答案→)D. are both.

解析：all所有都；both两个都。句意：我们两个都是中国人，因此你和我长着黑眼睛和黑头发。Both一般放在be动词后面，故选D。