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.
The answer to your question is A:explanation
The answer is B, as the sentences do not show cause and effect, set up a comparison, or introduce an idea that has already been brought up.
Answer:
According to the article restless genes are different groups of genes that contribute multiple traits, some allowing us to explore and others pressing us to do so. They contribute the urge to explore, the ability, the motivation and the means.
Explanation:
The restless genes, according to the article, are responsible for the human compulsion to see what lies beyond what we can see.
They are genes built through human evolution of a gene variant, known as DRD4-7R and carried by roughly 20 percent of all humans, which researchers proved to be tied to curiosity and restlessness.
The genes make people more likely to take risks, explore new places, ideas, foods, relationships, drugs, and generally embrace movement, change, and adventure.
