if that idea is wrong,the project is bound to fail,__good all the other ideas might be.

问题描述:

if that idea is wrong,the project is bound to fail,__good all the other ideas might be.
A whatever B though C whatsover D however
为什么选D 请具体一下,

good是形容词,要用副词修饰,排除A(whatever用来形容人或物等名词).
though只引导状语从句,不单独引导一个形容词.排除B.
whatsover用于否定句,表示“任何”“无论什么”.排除C.