Sentence1: Last Tuesday I took my first spin class at the gym. Sentence2: It was the hardest exercise class I ever took. Sentence3: I worked through it for an hour and my legs went numb. Sentence4: When I got home my legs started to hurt and I couldn't walk. 
 (A) I felt like I could run a marathon. (B) I went to bed and then rested until morning.
A