Child development specialists claim that, although children may enjoy sports, they may get frustrated or overwhelmed by complicated game rules. Instead, specialists recommend that children younger than the age of five engage in activities that develop coordination and skills such as swimming, dancing, and tricycle riding.
The writer would like to add a topic sentence to the beginning of the paragraph. Which statement most effectively accomplishes this goal?

Although many parents seek opportunities for their children to join sports teams, many child development specialists believe that preschool age children may not be ready for organized sports.
Although child development specialists promote exposing young children to many forms of art, they think that parents should not have children participate in any form of physical activity.
Many parents disagree with the advice of child development specialists and enroll their young children in as many activities as possible.
Most parents are concerned that the skill and coordination levels of their children are limited, so they consult child development specialists.