Regarding Mitosis and Cytokinesis, One Difference Between Higher Plants and Animals

Multiple Choice

Regarding mitosis and cytokinesis, one difference between higher plants and animals is that in plants

A) the spindles contain microfibrils in addition to microtubules, whereas animal spindles do not contain microfibrils.
B) sister chromatids are identical, but they differ from one another in animals.
C) a cell plate begins to form at telophase, whereas in animals a cleavage furrow is initiated at that stage.
D) chromosomes become attached to the spindle at prophase, whereas in animals chromosomes do not become attached until anaphase.
E) spindle poles contain centrioles, whereas spindle poles in animals do not.