PT 19 S4 Q15

Grow-Again ointment is a proven treatment for reversing male hereditary ... ...

Which one of the following, if true, would most strengthen the argument?
(A) When using an ointment, people tend to believe that applying it in greater quantities can make it more effective.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Stronger" Questions, Set 3 - Difficult/Uncommon Mix (25Q)