Which sentence uses the word [discrete] as it is defined in this dictionary entry? discrete: adj. "separate and distinct" a) the doctor had to be discrete about his diagnosis since the patient's disease was highly contagious. b) be sure not to tell amber anything because she's never been able to keep a secret or be discrete. c) mrs. brannon was so discrete about the surprise birthday party plans that i never saw it coming. d) each of the test items measures a discrete skill in working with graphs.