【单选题】

Many post-80s couples are complaining that going to the movies, shopping or attending parties have become impossible since their kids were born. That’s the way most parents are living their lives, no weekends of their own, no time to visit friends, not even a chance of promotion in their jobs.

Asking help from their parents might be a way out,but problems are that some aging parents are not strong enough to take care of the kids, and that the kids may also become too spoiled by their grandparents.
Then, here comes a solution: families with kids can form a small group, and parents of each family can take turns to look after all the kids in this group on weekends. Thus, other parents can have some quiet time and feel free to do something they’ve been planning for a long time.At the same time, the kids can make new friends and won’t be hanging around their parents all day long. This is baby-pooling.
The passage mainly discusses ______.
A、post-80s couples and their friendsB、post-80s couples and baby-pooling
C、post-80s couples and their parents
D、kids and their grandparents