Answer:
Their grandparenting style is - D) companionate.
Explanation:
Companionate grandparenting style is one of the most widespread. On the one hand, it is more flexible and better fits into modern grandparents lifestyle, while on the other hand it provides for a healthy level of involvement into grandchildren lives.
Companionate grandparents are happy to take care of their grandchildren on an occasional basis by providing companionship, but they do not actively assume parenting role and are not willing to interfere with parenting choices of their children.
