Final answer:
In a parliamentary democracy, the parliament is most like the Congress branch in a presidential democracy.
Step-by-step explanation:
In a parliamentary democracy, the parliament is most like the Congress branch in a presidential democracy.
In a parliamentary system, citizens elect members of the legislative branch, which then chooses the chief executive, known as the prime minister. Similarly, in a presidential system like the United States, citizens elect members of Congress, which is the legislative branch.
Therefore, the correct answer is A) Congress.