Select the Primary Reason Why the Use of Ketamine Would

Select the primary reason why the use of ketamine would be contraindicated in patients with a history of hypertension.

A) Ketamine stimulates the sympathetic nervous system, leading to elevated blood pressure and heart rate during the anesthesia.
B) Ketamine competitively inhibits the activity at the benzodiazepine recognition site on the GABA receptor, leading to elevated blood pressure and heart rate.
C) Ketamine activates the alpha₂ adrenergic receptors in the CNS and inhibits sympathetic activity, resulting in increased blood pressure and heart rate.
D) None of these are correct.