Should you speak to adults like you speak to your friends?

It depends on who the adult is and what your relationship with said adult is. If they're for example a teacher, doctor, or stranger then no you treat them with more respect and you should be more formal. If it's a parent or a family friend then it's ok to be a little looser.

he correct answer is choice c. promoters of ufc events were eager to work with state athletic commissions, without public pressure being a necessary inducement.