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

发布时间：2020-08-17 15:14:35

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：间隔式同位语从句的用法。即先行词是the fact 和that引导的同位语从句中间隔了谓语部分。
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