Which of the Following Does Not Compromise the Results of T-Tests

Multiple Choice

Which of the following does not compromise the results of t-tests?

A) Evidence that scores in the two conditions being compared have different variance.
B) Non-independence of observations in the case of between-subjects tests.
C) Evidence that scores on a variable are uniformly distributed.
D) Evidence that scores on a variable are not normally distributed.
E) Suggestions that the measures on which scores are obtained do not measure what they are supposed to.