Read the following context and choose the best option to answer the question.
Context: Before dusk set in , some of us started preparing the dinner . We had a hearty meal loaded with sinigang na baboy , grilled liempo , grilled hotdogs , and grilled eggplant . Before heading off to bed , some still went to swim while others continued their videoke marathon , and others started their booze escapade . And right before dawn , everyone finally got into their goodnight sleep . Day 2 .
Question: What may be the reason some went off to swim ?
Options: 
A. They wanted to exercise before going to bed .
B. None of the above choices .
C. They wanted to throw up the food somewhere low key .
D. They were too tired to move so decided to swim instead .


A