178. More than 300 rivers drain into Siberia's Lake Baikal, which holds 20 percent of the world's fresh water, more than all the North American Great Lakes combined.

(A)More than 300 rivers drain into Siberia's Lake Baikal, which holds 20 percent of the world's fresh water, more than all the North American Great Lakes combined.

B. With 20 percent of the world's fresh water, that is more than all the North American Great Lakes combined, Siberia's Lake Baikal has more than 300 rivers that drain into it.

C. Siberia's Lake Baikal, with more than 300 rivers draining into it, it holds more of the world's fresh water than all that of the North American Great Lakes combined, 20 percent.

D. While more than 300 rivers drain into it, Siberia's Lake Baikal holds 20 percent of the world's fresh water, which is more than all the North American Great Lakes combined.

E. More than all the North American Great Lakes combined, Siberia's Lake Baikal, with more than 300 rivers draining into it, holds 20 percent of the world's fresh water.

A: correct

B: 改变句意

C: 改变句意

D: 改变句意

E:

答案是A, 但不明白为什么A对而D错...请指教哈

E.More than all the North American Great Lakes combined, Siberia's

Lake Baikal, with more than 300 rivers draining into it, holds 20

percent of the world's fresh water.

1.it指代Siberia错,it是不能指代所有格Siberia's Lake Baikal中的Lake

Baikal;

2.Siberia's Lake Baikal做主语与more than all the North American Great Lakes combined逻辑意思不对.

谢谢！

可是我问的是D项哦....