Read the following context and choose the best option to answer the question.
Context: went home , got changed , and spent about 2 hours at the gym . that felt fantastic , i left feeling sore but so strong , and beautiful . took a tiny nap with the dog , took a shower , went to champagne and had a delicious chicken salad crossiant ( sp ? ) , emailed my rory to wish him a happy birthday !
Question: Why did the writer feel fantastic after the gym ?
Options: 
A. Because they enjoy taking showers .
B. Because it 's a good feeling to finish a good workout .
C. None of the above choices .
D. Because they felt sore .


B