问题

标出以下三个句子正确的升降调。What`s your phone numberDoes your mom have long hairThat`s right.
A:↘ ,↘ ,↘
B:↘ ,↘ ,↗
C:↗ ,↗ ,↘
D:↘,↗ ,↘;
B:↘ ,↘ ,↗
C:↗ ,↗ ,↘
D:↘,↗ ,↘;
正确答案是: