Final answer:
The rowers stayed in dormitories for the Poughkeepsie Regatta. Hence the correct answer is option 3
Step-by-step explanation:
The rowers stayed in dormitories for the Poughkeepsie Regatta. Dormitories are residential buildings that provide accommodation for a group of people, typically students. In this case, the rowers stayed in dormitories specifically designated for participants in the regatta.
Hence the correct answer is option 3