Which three sentences use a modifying phrase correctly?

A. Being involved in organized sports, personal confidence can be greatly improved.

B. Parents needing guidance can ask other parents about the advantages of school sports.

C. Adolescents should join their school sports teams wanting to make new friends.

D. Individual sports can help teach teenagers skills that will benefit them later in life.

E. Teenagers who participate in athletics can cultivate social and time-management skills.