再请教一道GWD

geniuswang

GWD-10-Q37:GWD-11-26

On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

 

1. On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow

2. On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth

3. On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles

4. Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate

5. Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow

答案是C，E错在哪里呢，用倒装后，the rate 和as seen... 离得更近了，不会产生歧义啊，请指教，谢谢

rabbitzzy

你的选择E应该是对的，你手里答案版本有问题，如果你手里有破解PREP语法分析，这题能找到（1-139）

geniuswang

谢谢提醒啊！