The answers are:
1) A
2)B
3)C
Because to actually use the word evolve an organism must suffice more than one condition, which in this case would be an advantageous trait. Having an advantageous trait (from our eyes at least) must also include the right and stimulating enviironment for procreation. So this answer is multifolded.
Picture B
That is when the cell start to become two identical daughter cells
The answer u r looking for is- D* failure of the immune system to distinguish self from nonself. Hope I’ve helped ;)