----Hello.(Are you )(A) Mrs Black?----Yes(B).This(C) is Mrs Black speaking(D)请问,A、B、C、D选哪个,为什么改错题

hello hello how are you hello how are you HELLO,How are you. Hello who are you? hello.jenny.how.are.you? hello how are you 是什么意思 Hello,how are you doing? You are a hello kity hello how are you 儿歌我想听了.就是那个hello hello hello hello hello hello how are you 的那个. How are you?Are you fine?Hello,How are you? 英语有首儿歌 歌词hello hello hello how are you 这首歌的歌名是什么?这首歌里面的第一句歌词是hello hello hello how are you hello ,what are you doing ,dear Hello!How are you?的中文是什么 hello!what are you doing ,dear hello what are you doing now? hello world what are you doing hello are you there 是什么铃声 Hello!Daniel.Are you f______at the moment