It is shown that a concentration on the preservation of routing abilities might damage the preservation of community structure， and vice versa.该句这样排列的主要原因是保持句子平衡。

It is shown that a concentration on the preservation of routing abilities might damage the preservation of community structure， and vice versa.该句这样排列的主要原因是保持句子平衡。
A.正确
B.错误
正确答案：正确