Your title depends on what your text and reasons are specifically about and what the information you are given is, however I would choose whichever one fits your information the best. However, they all are talking about bicycles. I would most likely choose the health benefits of bicycling.
Answer:
a handbook of workouts used by elite swimmers
I believe it's
Reflexes becomes slower when alcohol is consumed, even in low does, making driving and other activities dangerous
<span>When the Scarlet Ibis drops exhausted from the tree</span>