Select the correct passive form of the given sentence.
Before I could ride my bike, I had to repair the puncture.

A

Before I could ride my bike, the puncture had to be repaired.

B

Before I could ride my bike, the puncture had been repaired.

C

Before I could ride my bike, the puncture was being repaired.

D

Before I could ride my bike, the puncture was to be repaired.