一道关于英语语法的 what is——is to get both sides of the information about the situation first.A .the wisest B.a wisest C.the wiser D.wisest 应该选哪个 为什么

一道关于英语语法的
what is——is to get both sides of the information about the situation first.
A .the wisest B.a wisest C.the wiser D.wisest
应该选哪个 为什么

选A.
【what is the wisest 】is to get both sides of the information about the situation first.
括号内是主语从句.
最高级用the修饰

A，最高级前用the
英语牛人组合，拒绝翻译器，望采纳:)