___ I sympathize,I can't really do very much to help them out of _英语解答

___ I sympathize,I can't really do very much to help them out of the difficulties.
这里为什么用while

人气：365 ℃　时间：2019-10-17 05:21:37

解答

其实很简单,这里while是虽然的意思.
as 和 as long as 都是“由于”的意思,不通顺.
even就跟不对了.直接排出.