We would get B.
This happens because it's just another key detail, it's a detail that's aside of the sentence that may or may not be important.
Private companies and independent firms believe that the TVA
is a government-run monopoly selling electricity in bulk at low rates making it
difficult for them to compete with the TVA.
Apart from that their low rates enable them to be spared from taxation.
The totalitarian states usually don't allow any opposition parties to exist. If some people try to form a party, they usually end up in prison, are banished from the nation, or even murdered.
The reason why the totalitarian rulers prefer a one party system is in order to have all the power in the country, without having opposition that will constantly go public about the terrors and injustices that are happening. If there are more parties, than the people will start to support them, especially cause rarely who likes to live under a totalitarian ruler, thus the totalitarian ruler will face a situation where he/she will lose its power.
