In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. The theatre was keeping a seat for you.

• A seat was being kept for you by the theatre.
• Keeping of a seat for you has been done by the theatre.
• The theatre has kept a seat for you.
• A seat would be kept for you by the theatre.