Which of these must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase?

A-The DNA must be replicated.

B-The chromosomes must be joined.

C-The cytoplasm must be separated.

D-The cell membrane must be expanded

The question is asking to choose among the following must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase, base on that I would say that the answer would letter A. The DNA must be joined. I hope you are satisfied with my answer