Select the option that expresses the given sentence in passive voice.
Mr. Gupta and his brothers remodelled their house to help it sell.

A

Their house was remodelled by Mr. Gupta and his brothers to help it sell.

B

Their house is remodelled by Mr. Gupta and his brothers to help it sell.

C

Their house was to be remodelled by Mr. Gupta and his brothers to help it sell.

D

Their house was being remodelled by Mr. Gupta and his brothers to help it sell.