If an Investigator Explained the Statistical Analysis She Performed on a Design

Multiple Choice

If an investigator explained the statistical analysis she performed on a design by saying she was dividing MS Between by MS Within, what, in fact, was she saying?

A) that she was calculating the basic F test
B) that she was performing an analysis of covariance statistical analysis
C) that she was calculating a post hoc test
D) that she was didn't know what she was doing