rise by和rise to我搞糊涂了,The number of the students has grown from 1,500 to 2,500.This means it has risen____66.7 percent.A.by B.to“增长到”不是应该选to吗?

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rise by和rise to我搞糊涂了,The number of the students has grown from 1,500 to 2,500.This means it has risen____66.7 percent.A.by B.to“增长到”不是应该选to吗?

rise by和rise to我搞糊涂了,The number of the students has grown from 1,500 to 2,500.This means it has risen____66.7 percent.A.by B.to“增长到”不是应该选to吗?
rise by和rise to
我搞糊涂了,
The number of the students has grown from 1,500 to 2,500.This means it has risen____66.7 percent.
A.by B.to
“增长到”不是应该选to吗?

rise by和rise to我搞糊涂了,The number of the students has grown from 1,500 to 2,500.This means it has risen____66.7 percent.A.by B.to“增长到”不是应该选to吗?
如果是to 就是增长到了原来的66.7%,那不就是少了,负增长.
所以用by就是增长了原来的66.7%,也就是加上了66.7%

请问下直接用“risen 66.7%”可以吗?如果不可以。那“rise 66.7%"又是什么意思呢?多谢回答。