问题补充：
Some of the stamps belong to me, while the rest are .
A. him and her
B. his and hers
C. his and her
D. him and hers
答案：
A. him and her
(答案→)B. his and hers
C. his and her
D. him and hers
解析：在句中作表语，指“他的邮票和她的邮票”用his and her (=his stamps and her stamps)。答案是B。
