Which of the following identifies the central idea of the text?

A
The CIA’s involvement in the Cuban Revolution has been questioned due to their perceived support of Castro’s rise to power.
B
The United States was successful in their use of the CIA to track and control Castro’s rise to power.
C
The CIA allowed Castro to rise to power because his policies were vastly more democratic than Batista’s.
D
It has been proven that members of the CIA secretly supported Castro’s rise to power despite the negative impact it would have on the United States.