Which of the Following Best Describes When a Non-Parametric Test

Short Answer

Which of the following best describes when a non-parametric test for comparing two or more populations should be used instead of its parametric counterpart? $\begin{array}{|l|l|}\hline A&\text {When the sample sizes are large. }\\\hline B&\text {When the populations are normally distributed.}\\\hline C&\text { When the data are ordinal (ranked) or numerical and non-normal.}\\\hline D&\text {When the data are numerical. }\\\hline \end{array}$