The fact has worried many scientists the earth is becoming warmer and warmer these years.

发布时间：2020-08-16 11:07:01


The fact has worried many scientists      the earth is being warmer and warmer these years.
A. what
B. which
C. that
D. though

网友回答

A. what
B. which
(答案→)C. that
D. though
解析：考查同位语从句，that后的从句解释前面的名词The fact，句意：这些年来地球变得越来越暖和这个事实使科学家很担忧。所以选C。
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