Which of these corrects the inappropriate shift in mood in the following sentence?

If you were to listen to my mom, you will understand life better.
A.
If you were to listen to my mom, you would understand life better.
B.
If you were to listen to my mom, you will understand life better.
C.
If you were to listen to my mom, will you understand life better?
D.
If you were to listen to my mom, you must understand life better.