【正确答案】 C

【答案解析】[听力原文]
W: What are these blueprints still doing on my desk, Henry? I thought we agreed to send them out to Agrippa Incorporated this morning.
M: Actually, I was about to, Ms. Jones, but Mr. Carter called me while you were out. He requested some revisions in order to make room for additional equipment.
W: I see. How extensive are the changes he requested?
M: I took some measurements, and we only need to revise one-third of the floor plan. Overall, the alterations are not very significant.

[解析] 细节题 特定细节
本题是询问男士被认为会做的事情，注意听与题目的核心词supposed to do有关的内容。女士说“What are these blueprints still doing on my desk, Henry? I thought we agreed to send them out...this morning.”，即女士问设计图为什么还在她桌子上，她认为他们已经说好今天早上要把它们送出去，由此可知女士认为男士早上会把设计图送出去，故正确答案是C. Send some documents。

【正确答案】 B

【答案解析】[解析] 细节题 原因
本题是询问卡特先生要求做修改的原因，注意听与题目的核心词Mr. Carter ask for changes有关的内容。男士说“He (Mr. Carter) requested some revisions in order to make room for additional equipment.”，即卡特先生要求修改设计图以便为新增的设备腾出空间，故正确答案是B. He needs space for equipment.。

【正确答案】 D

【答案解析】[解析] 细节题 提及
本题是询问男士关于要求的修改内容所提到的信息，注意听与题目的核心词requested revisions有关的内容。女士说“How extensive are the changes he requested?”，即询问修改的范围是什么，男士回答说“...the alterations are not very significant."，即修改的范围不会很大，故正确答案是D. They will only be minor.。