Suppose That a Problem Asks You to Find the Height $h$

Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If $h$ represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?

A) $\mathrm{h}=\frac{5}{4}$
B) $h=1-\sqrt{5}$
C) $\mathrm{h}=\frac{5}{2}$
D) $h=1+\sqrt{5}$