高考英语情态动词Areyoufellingbetter?-
-Areyoufeelingbetter?
-You______thetroubletocomehere.Ijusthaveaslingcold.
A.shouldn'thavetakenBcouldn'thavetakenCmustn'thavetakenDneedn'thavetaken
为什们选D,而不选A?