The twins were born ____ a Friday evening. [ ]
A. in
B. at
C. on
答案：C
单项选择。
Let me .[ ]
A. see
B. sea
C. tea
出院护理错误的一项是（）
A.办理出院手续
B.通知病人和家属
C.协助病人整理用物
D.停止给药
