标题: 求助一道讲义上的题 [打印本页] 作者: peter126 时间: 2011-7-5 12:02 标题: 求助一道讲义上的题 Shipping Clerk: The five specially orderd 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 Consteuction last week, only three of which consisted of building supplies. Which of the following can be properly concluded from the statement above? A. At least one of the shipments sent to Truax Construction last week was specially ordered. B. At least one of last weeks'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 wek. 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 shipements sent to Truax Construction last week was sent out before Friday.