Cytokinesis in animal cells happens when the: A: cell wall pinches in to separate the cytoplasm.
B: cell plate forms across the middle of the cell.
C: chromosomes line up in the middle of the cell.
D: cell membrane pinches in to separate the cytoplasm.

D

Explanation:

Cytokinesis is basically the formation of 2 new  cells. C describes metaphase and A and B are talking about cytokinesis in a plant cell because animals don't have cell walls or plates. So the right answer has to be D

where is the diagram?

if you insert the diagram ill be able to you

answer: c.

explanation: