This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Adrenal Gland, Subject name: Medicine
Which is true about treatment of hypeensive crisis with encephalopathy in a patient with a pheochromocytoma. 
Select and explain. 
A. Immediate surgical removal of the mass is indicated, B. High-dose phenoxybenzamine should be used to control the blood pressure with surgery in 24 to 48 hours, C. Treatment with phentolamine should be staed with low-dose phenoxybenzamine to be titrated upward. Surgery should be done in 2 to 3 weeks once blood pressure is below 160/100 mmHg, D. Beta blockade is contraindicated
C: Treatment with phentolamine should be staed with low-dose phenoxybenzamine to be titrated upward. Surgery should be done in 2 to 3 weeks once blood pressure is below 160/100 mmHg
Answer: C: Treatment with phentolamine should be staed with low-dose phenoxybenzamine to be titrated upward. Surgery should be done in 2 to 3 weeks once blood pressure is below 160/100 mmHg 
Explanation: Option A- Not done as the patient may require pre-operative or intra-operative management. Option C > option B- As first we will stabilize the patient and then surgery can be done post stabilizing the patient. Option D- b is given but only after a Only after a blocker