are both studying at Nantong Middle school.A. I and LiYingB. My friend TommyC. He and ID.

问题补充：

are both studying at Nantong Middle school.

A. I and LiYing

B. My friend Tommy

C. He and I

D. I, you and he

答案：

A. I and LiYing

B. My friend Tommy

(答案→)C. He and I

D. I, you and he

解析：英文有几个人称，第一人称通常位于后，故A和D都不正确，谓语动词时are，B

选项是第三人称，不符，故不选B,只能选C。