Biology

The correct answer is: B.telophase.

Explanation:

During telophase, the spindle fibers begin to break down and disappear as the cell prepares to complete mitosis. This stage occurs after the chromatids have been separated and pulled toward opposite poles of the cell (which happens in anaphase). As telophase progresses, the nuclear envelope begins to reform around each set of chromosomes, and the cell is getting ready to divide into two daughter cells.

Why the other options are incorrect:

A....