Which statement best describes a difference between presidential and parliamentary democracies?

A)In a parliamentary democracy, the head of state is a member of the legislature. In a presidential democracy, the head of state is directly elected by citizens.

B)In a parliamentary democracy, voters are able to directly elect the head of state. In a presidential democracy, the head of government is a member of the legislature.

C)In a presidential democracy, the executive and legislative branches are joined. In a parliamentary democracy, the two branches are separate.

D)In a presidential democracy, there is a legislative branch but no executive branch. In a parliamentary democracy, there is an executive branch but no legislative branch.