Mr. Zhang gave the textbooks to all the pupils except ________who had already had them. [ ]

A. ones        

B. the ones          

C. some        

D. the others

根据交换价值实现形式的不同，交换价值取向可以分为（）。

A.投机盈利取向

B.投资收益取向

C.置换增值取向

D.资产积累取向

E.社会地位取向