Which of the following is a way to exhibit trustworthiness? a. committing to working on saturday night, then explaining to your boss that you can't make it because you have plans with your friends b. staying home to babysit your little brother on a friday night because you promised your parents that you would c. telling your group partners that you will complete your part of the research project on time, then not coming to school on the day that it is due d. telling your parents that you have to work tonight, but you really intend to join your friends at a party