Select the correct passive form of the given sentence.

My mother is watching a new serial about the life of Dr. Ambedkar.

A

A new serial about the life of Dr. Ambedkar will be watched by my mother.

B

A new serial about the life of Dr. Ambedkar is being watched by my mother.

C

A new serial about the life of Dr. Ambedkar is watched by my mother.

D

A new serial about the life of Dr. Ambedkar was being watched by my mother.