African proverb: Wisdom does not come overnight. The heart of the wise man lies quiet like limpid water. One who causes others misfortune also teaches them wisdom.
This is what I found when I googled your "question"
The answer is B, ‘your’ should be our
—Evidence—
•] The sentence “...we learned how to make OUR stories more interesting..” sounds more fluent rather than it being “we learned how to make YOUR stories more interesting..” that sounds not as smooth as the first option.
•] Therefore it’s option B.
3rd one because they’re saying they did good but need to add more so that’s helpful