Which pairs of variables most likely have a positive association?

Choose exactly TWO answers that are correct.

A. The amount of safety training a group receives and the number of accidents a group has

B. The number of children in a home and a number of toys in a house.

C. The amount of time spent per day playing video games and the amount of time spent per day reading.

D. The number of questions on a test answered correctly and the score earned on that test.