这种题好像现在没怎么出现，考点是神马

bunnyfdu2015

Scientists claim that the discovery of the first authenticated mammal bones in amber could provide important clues of determining, in addition to how, when mammals colonized the islands of the West Indies.

	of determining, in addition to how, when mammals colonized the islands of the West Indies
	in the determination of how and when the islands of the West Indies were colonized by mammals
	to determine how mammals colonized the islands of the West Indies and when they did
	for determining when the islands of the West Indies were colonized by mammals and how they were
	for determining how and when mammals colonized the islands of the West Indies 选E。我怎么觉得这种题目好老啊，不晓得考的是神马

brfmzbjz

你这样问问题挺很没效率的

一没给出题目来源
二不提供你自己的分析