Brunei is a country in which there is unlimited control of the government.
What is unlimited government?
The unlimited government is a type of government that does not answer to anyone and “can do whatever it wants”.
Right now it is likely only North Korea, but pro forma some absolute monarchies such as Brunei and Swaziland also have unlimited governments.
It basically means those in which there is no effective means of keeping their power. Brunei is also known as the absolute monarch.
As an absolute monarch, the Sultan of Brunei is thus the head of state and head of government. He is also the official 'guardian and protector' of Islam and tradition in Brunei.
Therefore, option A is correct that Brunei is a country with an unlimited government.
Learn more about Brunei, refer:
https://brainly.com/question/1108733