How Should a Multilevel, Independent Groups Design Be Analyzed If

Multiple Choice

How should a multilevel, independent groups design be analyzed if there are three groups (A, B, C) in the study?

A) use 3 t tests (A & B, A & C, B & C)
B) find the two groups farthest apart and compare them with a t test
C) complete a 3-factor analysis of variance
D) complete a 1-factor analysis of variance