Select the correct option to fill in the blank.
At what time ______ you return from office last night?
- Adoes
- Bdid
- Cdo
- Dwere
Solution & Step-by-step Explanation
The mention of "last night" signifies a past tense context. For forming questions in the simple past tense, the auxiliary verb 'did' is used followed by the base form of the main verb ('return').