"Aunt Vexa, ... to bed?" asked Rexa.
a. have I got going
b. have I got to go
c. have I got to going

I think the answer is "B. have I got to go". Is it correct?

Thank you in advance!

Question

"Aunt Vexa, ... to bed?" asked Rexa.
a. have I got going
b. have I got to go
c. have I got to going

I think the answer is "B. have I got to go". Is it correct?

Thank you in advance!

Answer

B is correct but "Do I have to go to bed?" is more common.