Why Did the Central Intelligence Agency (CIA) Work to Replace

Why did the Central Intelligence Agency (CIA) work to replace the leaders of Guatemala and Iran in the 1950s?

A) Both countries had governments viewed as "unfriendly" regimes, and it was feared they would join the Soviet bloc.
B) Both countries had sponsored terrorist activities against American companies operating abroad.
C) Both countries had declared socialist governments and formed alliances with the Soviet Union.
D) Both countries had welcomed former Nazi leaders into their countries and were in danger of fascist rule.
E) The leaders of those countries were guilty of human rights abuses undertaken toward American soldiers.