The correct answer is C, to help her remember their friendship.
Hello!
I believe a gerund is a "ing" word taking place as a noun. We can't be 100% sure, because it is not used in a sentence, it depends on how you use it in the sentence if it is a gerund or not. Overall, the word "writing" is not a gerund.
Hope this helps! ☺♥
Answer:
:(not/have) two children to support.
in brackets into the correct tense.
ne ever
e zoo
finds out...
(find out) about this.
(die) unless they're fed.
(run) home if I'd known the football match was on TV.