My brother was born in Shandong4th May 1990.A. atB. inC. onD. from

问题补充：

My brother was born in Shandong4th May,1990.

A. at

B. in

C. on

D. from

答案：

A. at

B. in

(答案→)C. on

D. from

解析：在英文中表示在某一天前用介词on，本题中有一个4号，故本题选C。