Choose the most appropriate option to change the voice (active / passive) form of the given sentence.
To be a good speaker you need to memorize these speeches.

A

These speeches will be memorized by you to be a good speaker.

B

To be a good speaker these speeches need to be memorized by you

C

To be a good speaker these speeches need to memorize by you.

D

To be a good speaker these speeches being memorized by you.