For Which Adult Client Should the Nurse Make Follow-Up Observations

For which adult client should the nurse make follow-up observations and monitor the vital signs closely? A client whose:

A) Resting morning blood pressure (BP) is 128/78 mm Hg, whereas the afternoon BP is 122/76 mm Hg
B) Oral temperature is 97.9°F (36.6°C) in the morning and 99.8°F (37.7°C) in the evening
C) Heart rate is 76 beats/min before eating and 88 beats/min after eating
D) Respiratory rate is 16 breaths/min when standing and 18 breaths/min when lying down