Which of the following were the three main parts of Athenian democratic government?

Answer 1

What following?

Answer 2

Which of the following were the three main parts of Athenian democratic government?

A.
the Congress, the Council, and the Assembly

B.
the House of Representatives, the President, and the Assembly

C.
the Assembly, the Courts, and the President

D.
the Assembly, the Courts, and the Council

I need help please I'm unsure