Which best describes the status of political parties in Iran since the Islamic Revolution?

a. Although not illegal, there have been no political parties in Iran since the revolution.
b. There were political parties in the first years after the revolution, but the government abolished them and none of any consequence has reformed.
c. There has and continues to be only one party, and it is an Islamic Fundamentalist party.
d. Multiple parties exist and have alternated control of the executive and legislative branches of government.
e. All organized political activity that political scientists would associate with political parties has been banned since the revolution.

B