Choose the option that is the active form of the sentence.
By whom was this window broken? Five packets of milk were delivered by the milkman.

A

Who broke this window? The milkman delivered five packets of milk.

B

Who had broke this window? The milkman had delivered five packets of milk.

C

Whom was break this window? The milkman will deliver five packets of milk.

D

Who is breaking this window? The milkman is delivering five packets of milk.