Which of the following is an example of using nonverbal communication to substitute for verbal communication? a. holding up a hand to indicate you do not wish to be interrupted, while mouthing the words, "not now." b. holding a finger over your mouth to ‘shhh’ someone, nodding your head to say yes c. gesturing towards the door while saying, “Let’s go” d. clapping after a performance, yelling/cheering during a sporting event Please select the best answer from the choices provided