Select the correct passive form of the given sentence.
The peacocks ate up all my flower plants in the afternoon today.

A

All my flower plants were eating up the peacocks in the afternoon today.

B

All my flower plants have been eaten up by the peacocks in the afternoon today.

C

All my flower plants were eaten up by the peacocks in the afternoon today.

D

The peacocks were eaten up by all my flower plants in the afternoon today