829. The speculative fever of the Roaring Twenties infected rich and poor alike; vast quantities of people were dangerously overextended, credit was absurdly easy to obtain, and most brokerage houses required only ten percent cash for stocks bought on “margin.” (A) rich and poor alike; vast quantities of people were dangerously overextended (B) both rich and poor alike; large amounts of people dangerously overextended themselves (C) rich and poor alike; great numbers of people were dangerously overextended (D) both rich and poor alike; vast amounts of people dangerously overextended themselves (E) both rich and poor; great quantities of people were dangerously overextended 请问 A、E为什么不对? alike /both区别 vast/great/large amount/number/quantity 相互搭配关系 谢谢