Four skills familles need to stay healthy are resolving conflicts, expressing emotions, making decisions, and
learning communication
spending money
sharing responsibilities
managing time

I would say C, sharing responsibilities.
The course you’re taking probably has a certain set of skills that you’re being taught, and my best advice to you would be to try and memorize them. I’m only answering from what makes the most sense to me.
Hope it helps.

A. i may be wrong i really don’t know