If your manager asks you to place a call for him or her, what's the best course of action? a. send an email to the recipient before calling to determine whether he or she is available. b. leave a voicemail message for the recipient if he or she is unavailable. c. if the recipient answers, ask if this is a good time for him or her to speak to your manager. d. ask your manager beforehand what to do if the person being called is unavailable.