When a grandparent moves in with the immediate family , they become a part of the immediate family.
This is referred to the individuals which are closely related and it consists of the following people below:
From the list provided above, we can deduce that grandparents form a part of the immediate family due to them being related either by birth while some are connected by marriage like in the case of a spouse.which means moving in or not doesn't change it. This is therefore the reason why it was chosen as the correct choice.
Read more about Family here https://brainly.com/question/12397063
#SPJ1