Answer:
a. family of orientation
Step-by-step explanation:
In sociology, the term family of orientation refers to the family we are born into, in other words, it is the family in which we are raised.
On the other hand, family of procreation refers to the family we create by marriage or by having children (in other words, when we make our own family).
However, the first family we belong, since is the one we we born into is the a. family of orientation.