After a Patient Has Received Fluid Therapy for Several Hours

After a patient has received fluid therapy for several hours, her supine and standing heart rate and blood pressure are recorded. Which of the following results indicates a need for further therapy?

A) Supine HR 88, BP 100/80; standing HR 85, BP 96/78
B) Supine HR 88, BP 100/80; standing HR 90, BP 110/80
C) Supine HR 88, BP 100/80; standing HR 110, BP 98/78
D) Supine HR 88, BP 100/80; standing HR 90, BP 98/78