模仿录音文本中的语音语调 — 英语选择题

听家长朗读录音文本中的两句话：Who is that girl?（句末降调）Do you know her name?（句末升调）。请你模仿录音中的语音语调，判断下面哪一组语调符号的标注完全正确？（“↑”表示升调，“↓”表示降调）A. Who is that girl?↓　Do you know her name?↑ B. Who is that girl?↑　Do you know her name?↓ C. Who is that girl?↓　Do you know her name?↓ D. Who is that girl?↑　Do you know her name?↑