Torrent - 1. A strong and fast-moving stream of water or other liquid.
2. A sudden, violent, and copious outpouring of (something, typically words or feelings).
This question has no answer because it does not give any information on the letter, Juans situation, or anything other than the fact that he is sending a letter
The answer is D because you don’t need to put anything but a comma after you introduce who the letter is to
