Ahmad ,55 years old male ,a patient with diabetes mellitus, who has had poorly controlled hypertension, and now presents with signs of ankle edema & a low GFR. He was prescribed the following drugs in the last three months but BP values still uncontrolled .Pick up the right statements according to our patient.

1- He should discontinue Propranolol from the regimen
2- He can use Furosemide instead of Hydrochlorothiazide
3- He should start anew drug regimen
4- Carvedilol may be good choice instead of propranolol
5- All except 2
6- All of the above

1- Propranolol
2- Amlodipine
3- Hydrochlorothiazide
4- Metformin ( Hypoglycemic drug )