I whould say A I could be wrong but I think I am right if you feel I am messing with you can report me.
Answer:
To be/ Used to be sentence used the passive voice for the main verb.
Explanation:
<em><u>The sentence that uses the passive voice for the main verb is: When we can pick our reading, mythology is most often</u></em><em><u> </u></em><em><u>used</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>be</u></em><em><u> chosen in my</u></em><em><u> </u></em><em><u>5th</u></em><em><u> </u></em><em><u>grade</u></em><em><u> class. When a sentence is written in the passive voice, the subject becomes the receiver of the action.</u></em>