A governmental system where the head of state is distinct from the head of government is called

A.

presidential

B.

unitary

C.

parliamentary

D.

republican

Correct answer is C

A parliamentary system of government means that the executive branch of government has the direct or indirect support of the parliament. The head of government and the head of state are usually two different people. The head of state is the prime minister appointed by the parliament while the head of government is a ceremonial head

 In a parliamentary system, all decisions of governance are managed by a legislative body