Lily did quite well in her exams,---how little she studied.A

Lily did quite well in her exams,（ ）how little she studied.选B considering在这里是连词（鉴于,考虑到）莉莉考试非常好,鉴于她学得非常少
Considering鉴于；就……而论；考虑到.例如：Considering he is only just started,he knows quite a lot about it.鉴于他刚开始,他所知道的就不少了....