问一道GWD题 我怎么觉得答案是错的？ 大家看一下啊

Q20:

Shipping Clerk:  The five specially ordered shipments sent out last week were sent out on Thursday.  Last week, all of the shipments that were sent out on Friday consisted entirely of building supplies, and the shipping department then closed for the weekend.  Four shipments were sent to Truax Construction last week, only three of which consisted of building supplies.

If the shipping clerk’s statements are true, which of the following must also be true?

A.     At least one of the shipments sent to Truax Construction last week was specially ordered.

B.     At least one of last week’s specially ordered shipments did not consist of building supplies.

C.     At least one of the shipments sent to Truax Construction was not sent out on Thursday of last week.

D.    At least one of the shipments that were sent out on Friday of last week was sent to Truax Construction.

E.     At least one of the shipments sent to Truax Construction last week was sent out before Friday.

   Answer: B(E)

我选了B 答案是E

可是我想 要是E也不对啊 ，万一星期四出去的船也全是building 的 那不是原文结论就不成立了啊？

不好意思啊 没看懂 完全没看懂啊