The Library at Princeton Had One Slim Volume by Khomeini

The library at Princeton had one slim volume by Khomeini, called the Government of the Jurist which spelled out the need for, the form and the program for establishing an Islamic government. Which of the following did this lead to when he came to power in Iran?

A) He instituted Sharia law.
B) He advocated the abolishment of democracy in all of the Middle East.
C) He became a state sponsor of terror.
D) Khomeini wrote more books about the purer forms of Islam.