It is b, increased fertility.
In my opinion, the best answer among the choices listed is option B. Bioflavonoids are naturally occurring plant chemicals. From, the name "bio", these substances most likely comes from living organisms. Flavonoids that come from living organisms. Bioflavonoids are found in the rind of green citrus fruits and in rose hips.
The answer I believe is c.secondary
The most moral and non-offensive term would be a “Resident of (Name of home or place)”, resident in a personal care home(or some other term for a care home), and sometimes a Patient- but only if the patient is living in a medical care home, like part of a hospital for example. Awkwardly explained, but I hope you understand!
The answer is B same sex marriages are increasing.