The reoccurring alternation of strong and weak sounds is rhythm.
Over come with happiness
That’s the real answer and not some random words
The most appropriate answer would be option C, as this shows how both Pat Mora and the article convey ideas targeted to young individuals to motivate them to change the community in some way. While Mora's essay is more emotional and informal compared to the article, they both communicate the same message regarding the importance of community volunteering.
A. or "The family is letting us stay at their cottage"
The other one makes no sense in proper grammar