Select the option that expresses the given sentence in passive voice.
The supermarket may declare a weekend offer for all the food items.

A

A weekend offer may have been declared by the supermarket for all the food items.

B

A weekend offer would be declared by the supermarket for all the food items.

C

A weekend offer may be declared by the supermarket for all the food items.

D

A weekend offer may declare by the supermarket for all the food items.