What Is a Major Difference Between Mitosis and Meiosis I

What is a major difference between mitosis and meiosis I in a diploid organism?

A) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis I.
B) Crossing over occurs in mitosis but not in meiosis I.
C) DNA replication takes place prior to mitosis, but not before meiosis I.
D) Only meiosis I results in daughter cells that contain identical genetic information.
E) There are two divisions in meiosis I but only 1 in mitosis.