it had never - him that he might get a job offer from such a

因为B选项的 expect 没有题目中这种expect sb.that 的用法,只有expect sb.to do sth.和 expect + that这两种用法.
C选项中的struck是strike的过去式,有“使...大吃一惊,使...惊讶”的意思.
例如：It struck me.这吓到我了.