Answer:
d) companionate.
Step-by-step explanation:
Companionate love: In psychology, the term "companionate love" is also referred to as friendship-based love, or affectionate love, and is described as one of the different types of love in which variety of love is being explained that is considered as slow in terms of developing, durable, and distinguished as feelings of commitment, affection, & intimacy and interdependence.
In the question above, Herman and Flora's relationship seems to be an example of companionate love.