英语问题doyouknowwheredavidis
DoyouknowwhereDavidis?Icouldn`tfindhimanywhere.
-Well.He()havegonefar-hiscoatisstillhere.
Ashouldn`tBmustn`tCcan`tDwouldn`t
should不是也可以表示推测吗,为什么答案是C而不是A呢?