She was in a dilemma as to whether to marry Paul or Charles.中的as to是什么可以把as to 换成about
问题描述：
She was in a dilemma as to whether to marry Paul or Charles.中的as to是什么
可以把as to 换成about
答
不是太清楚，感觉是可以的，但是as to 应该好点
答
as to 关于,至于
可以换成about,意思不变,引导作用不变.