"If you are sitting on the floor with children, you should: O Sit on a pillow
O Sit cross-legged
O Sit against the wall
O Sit on your knees
O Squat

ON YOUR KNEES OR ON CROSS-LEGGED

Explanation:

1. d.

2.false

3.noise

too short

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.