Whose schoolbags are they ?- They`re .A. Jim`s and Tom`sB. Jim and Tom`sC. Jim`s an

问题补充：

--- Whose schoolbags are they ? --- They`re .

A. Jim`s and Tom`s

B. Jim and Tom`s

C. Jim`s and Tom

D. Jim and Tom

答案：

(答案→)A. Jim`s and Tom`s

B. Jim and Tom`s

C. Jim`s and Tom

D. Jim and Tom

解析： Jim`s and Tom`s 表示Jim和Tom各自有的；Jim and Tom`s表示两个人共用的；Jim`s and Tom 是“Jim的和Tom”的意思；Jim and Tom表示“Jim和Tom”。通过题意可知，书包应该是Jim和Tom各自，不应该是共用的。所以本题选择A .