You . . . . . . . . not worry about me?

A. would

B. need

C. could

D. shall

Answer: Option B

Solution(By Examveda Team)

Modal Verbs show us the attitude of the speaker to what is being said or done. The term 'modal' means expressing mood and mood is a way to express the attitude of the speaker.
Option B is the correct answer because it expresses necessity.