In Testing for Whether the Median Difference of Two Related $H_{0}: M_{D} \neq 0$

Multiple Choice

In testing for whether the median difference of two related populations is zero, the null hypothesis is

A) $H_{0}: M_{D} \neq 0$ .
B) $H_{0}: M_{1}-M_{2} \neq 0$ .
C) $H_{0}: M_{D}=0$ .
D) $H_{0}: M_{1}-M_{2}=0$ .