the assumption that the author has conducted research on this topic. This is best supporting by which of the following?

(1 point)

However, many of today's youth have somehow gotten lost in the world of tablets, video games and endless hours of staring contests with televisions

Yet according to the Center for Disease Control (CDC) physical activity in adolescents improves strength and endurance. helps build strong bones, reduces stress increases self-esteem and it is also known to increase brain function

Even though schools provide an opportunity for students to exercise there are students who are just not interested in traditional PE courses.

For outdoor enthusiasts offer a course that includes all outdoor activities such as rock climbing hiking and biking

The best supporting evidence for the assumption that the author has conducted research on this topic is the statement: "Yet according to the Center for Disease Control (CDC) physical activity in adolescents improves strength and endurance, helps build strong bones, reduces stress, increases self-esteem, and it is also known to increase brain function." This statement suggests that the author has accessed and relied on information from a reputable source (the CDC) to support their argument.