GWD3-Q20 大家帮个忙

panyinghan

GWD3-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.

这题我的逻辑关系根本就没有弄清楚，大家帮帮忙，这题到底什么意思？答案选Ｅ

谢谢啦

panyinghan

谢谢啦 ！

acerjeff

由已知周五全是BS，+ 3 out of 4 to TC are BS
推出：1 out of 4 not BS
推出：1 sent out before Fri