Here are the answers to your questions:
Part A
Nucleoli are present during interphase.
Part B
Cytokinesis often, but not always, accompanies telophase.
Part C
Chromosomes become visible during prophase.
Part D
Centromeres divide and sister chromatids become full-fledged chromosomes during anaphase.
Part E
Spindle fibers attach to kinetochores during prometaphase.