Which of these phases is anaphase?

Answer:
D
Explanation:
A: Interphase = DNA replication, cells spend most of their time in interphase
B: Prophase = Chromatin condenses and becomes visible
C: Metaphase = Chromosomes line up in the middle
D: Anaphase = Sister chromatids are being pulled away
E: Telophase = Cleavage furrow forms