Our living room was flooded by the water, which rose to a height of three feet.

Which of the following rewritten sentences retains the meaning of the original sentence, while revising it into active voice?

a.) Our living room floods by the water, which rose to a height of three feet.
b.) The water in our flooded living room rose to a height of three feet.
c.) The water in our flooded living room is at a height of three feet.
d.) Our living room was flooded by the water, and has risen to a height of three feet.