In Which of the Following Situations Would the Yield to Worst

Multiple Choice

In which of the following situations would the yield to worst for a certain bond be that bond's yield to call?
I. The bond's coupon payments are high relative to market yields.
II. The bond price is at a discount.
III. The likelihood of the bond being called is high.

A) I only
B) II only
C) I and II
D) I and III