Captopril and Enalapril do all the following except.. Competively blocks Angiotensin || at it’s receptors

Captopril and Enalapril do all the following except:
a- Increase rennin concentration in blood
b- Inhibit an enzyme
c- Competively blocks Angiotensin || at it’s receptors***
d- Raises the blood Potassium concentration.