考研

题干：2.[单选题]When people in developing countries worry about migration, they are usually concerned at the prospect of their best and brightest departure to Silicon Valley or to hospitals and universities in the developed world.中，介词短语in the developed world修饰的是________

选项：A. departure

B. hospitals and universities

C. Silicon Valley

D. universities

题号：2.【答案】B。解析：介词短语in the developed world做定语时，修饰其前面的名词。因其前面的名词universities与hospitals是由并列连词and连接的并列成分，所以in the developed world修饰的是hospitals and universities。故本题答案为B。