The Assumptions of the T-Test for Related Samples Are the Same

The assumptions of the t-test for related samples are the same as those for the t-test for independent samples except for requiring

A) that the dependent variable be measured on an interval or ratio scale.
B) that the population represented by either sample form a normal distribution.
C) homogeneity of variance.
D) that each score in one sample be paired with a particular score in the other sample.