In a Wilcoxon Signed Rank Sum Test, the Test Statistic $D \neq 0$

Multiple Choice

In a Wilcoxon signed rank sum test, the test statistic is calculated as T = 75. If there are n = 15 observations for which $D \neq 0$ , and a two-tail test is performed at the 5% significance level, then:

A) we reject the null hypothesis.
B) we don't reject the null hypothesis.
C) the test results are inconclusive.
D) we perform a parametric test.