HELP!!!!! 70 points I keep help

Answer:
The answer is the last one because if the diagonals of a quadrilateral bisect each other then it's a parallelogram.
Answer:
Last answer choice
Step-by-step explanation:
One of the prerequisites for a quadrilateral to be a parallelogram is for the diagonals to bisect each other. Since K is the midpoint, this means that it is halfway between the ends of each of the diagonals, and that they therefore bisect each other. Hope this helps!