A client with heart failure asks the nurse about the reason for taking enalapril maleate. The nurse would explain that the medication is prescribed for which of the following reason
A．Lower the blood pressure by increasing peripheral vasoconstriction.
B．Lower the heart rate by slowing the conduetion system.
C．Block the conversion of angiotensin Ⅰ to angiotensin Ⅱ.
D．Increase myocardial contractility, thereby improving cardiac output.
