通常语境下，标出以下三个句子的升降调，正确的是____。

That's my grandfather. Do you like English? Who is your music teacher?

A、↘ , ↘ , ↘

B、↘ , ↘ , ↗

C、↘, ↗ , ↘

D、↗ , ↗ , ↗