OG22 858

Shoenburger

Discussion of greenhouse effects have usually had as a focus the possibility of Earth growing warmer and to what extent it might, but climatologists have indicated all along that precipitation, storminess, and temperature extremes are likely to have the greatest impact on people.
A. Discussion of greenhouse effects have usually had as a focus the possibility of Earth growing warmer and to what extent it might,
B. Discussion of greenhouse effects has usually had as its focus whether Earth would get warmer and what the extent would be,
C. Discussion of greenhouse effects has usually focused on whether Earth would grow warmer and to what extent,
D. The discussion of greenhouse effects have usually focused on the possibility of Earth getting warmer and to what extent it might,
E. The discussion of greenhouse effects has usually focused on whether Earth would grow warmer and the extent that is,
这里的C whether Earth would grow warmer和to what extent,为什么是平行呀

长丝弓

2个从句（后一个从句省略了成分）平行

Shoenburger

长丝弓 发表于 2022-3-3 13:20
2个从句（后一个从句省略了成分）平行

谢谢大佬