请教LZM－1－6

assfgrtrtr

1-6. In the face of widespread concern about environemntal waste, compact disc manufacturers are attempting to find a repalcement for the disposable plastic box in which they package their product.

B. the disposable plastic box where they
C. a disposable plastic box in which to
D. disposable plastic boxes inside which they
E. the disposable plastic boxes in which to

答案：A

名词的泛指和特指，我把握得不好。想规避它，不知此题有什么其它解题思路。谢谢。

topway7

这个题目和名词的泛指和特指没有任何关系，关键是in which 和where