The answer is C.
Using social media is free.
Rukmani met Kenny when he went to her hometown to cure her sick mother. Then Kenny became the village doctor. Rukmani was in debt to Kenny because he "helped" her so she could conceive children. Rukmani married Nathan at the age of 12 and says than she is unable to have a child.
Children, is the correct answer. If that is not the sentence you told me to look at, you can put it in the comment's
It's known as the Literary Tone. Hope I helped !