as.as it can be 与 as.as can be 有什么区别呢?They stood chatting together as easily and naturally as （ ）A.it could beB.could beC.it wasD.was答案上说用it的话指代不明,为什么呢?
问题描述：
as.as it can be 与 as.as can be 有什么区别呢?
They stood chatting together as easily and naturally as （ ）
A.it could be
B.could be
C.it was
D.was
答案上说用it的话指代不明,为什么呢?
答
应该是（they） could be
如用it,不知道是他们站的轻松自然,也不知道是谈话的内容轻松自然