In an Independent-Measures ANOVA, Individual Differences Contribute to the Variance

In an independent-measures ANOVA, individual differences contribute to the variance in the numerator and in the denominator of the F-ratio.For a repeated-measures ANOVA, what happens to the individual differences in the numerator of the F-ratio.

A) They do not exist because the same individuals participate in all of the treatments.
B) They are measured and subtracted out in the second stage of the analysis.
C) Individual differences contribute to the variance in the numerator.
D) None of the other options accurately describes individual differences in the numerator.