Which of the Following Is a Premise in the Reduction

Multiple Choice

Which of the following is a premise in the Reduction of Suffering Argument?

A) If we can reduce the suffering of others at no cost to ourselves, then we are morally obligated to do so.
B) If we can reduce the suffering of others without incurring greater suffering on our part, then we are morally obligated to do so.
C) If we can reduce the suffering of others without incurring significant sacrifice on our part, then we are morally obligated to do so.
D) If we can reduce the suffering of others, we are morally obligated to do so, no matter the cost.