Manfred Is Worried About His 16-Year-Old Son Hanging Around Much

Manfred is worried about his 16-year-old son hanging around much older people in the neighborhood.Research suggests that Manfred:

A) should not be concerned,since having older friends has been linked to positive school achievement.
B) should encourage the behavior since his older friends will help him make a successful transition to adulthood.
C) has reason to worry,since his son is more likely to engage in delinquent behavior.
D) should not worry,because his son will soon tire of his older friends and turn to friends his own age.