Odd______it sounds, cosmic inflation is a scientifically plausible consequence o

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问题 Odd______it sounds, cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary particle physics.

选项 A、although
B、though
C、since
D、because

答案 B

解析 状语从句连词题。根据句意可知,逗号前后的两个分句是让步关系。选项[C]和[D]都不引导让步状语从句,故均排除;选项[A]虽然能引导让步状语从句,但不能让从句形成倒装结构,因此排除。选项[B]引导让步状语从句时,和连词as一样,意为“尽管,虽然”,常可将作表语或作状语的形容词、名词、副词以及情态动词或助动词之后的动词原形提到句首,形成倒装结构,所以选项[B]为答案。
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