问题补充：
Can you tell me ?
A. whom does this dictionary belong to
B. whom this dictionary is belonged to
C. Whom this dictionary belongs to
D. Whom this dictionary is belonging to
答案：
A. whom does this dictionary belong to
B. whom this dictionary is belonged to
(答案→)C. Whom this dictionary belongs to
D. Whom this dictionary is belonging to
解析：可联系答.案.网客服索取。
