At which stage of the cell cycle does colchicine arrest the spindle?

In which phase is the cell shown below?

Choose the correct sentences for $telophase$.
$1.$ Chromosomes are arranged at the equator.
$2.$ Formation of nuclear membrane.
$3.$ At the end of this phase,nuclear membrane,Golgi complex,and endoplasmic reticulum are reformed.
$4.$ End of contraction of chromosome.
$5.$ This phase starts with chromosomes according to their vertical contraction.

When dividing cells are examined under a light microscope,chromosomes become visible in

Spindle fibers attach to kinetochores of chromosomes during

How many main stages are there in mitosis?