In Recent Years, Which of the Following Is a Sign/are

In recent years, which of the following is a sign/are signs that Russia is becoming more authoritarian?

A) President Putin has waged a campaign against many of Russia's businessmen, some conducting business with questionable practices but others totally legitimate.
B) In 2013, President Putin dissolved the state news agency, RIA Novosti, and created a new state-run agency to promote Moscow's image abroad.
C) Russia has put enormous pressure on some of its former republics, threatening to withhold trade or natural gas and, in the case of Ukraine, seizing the Crimean Peninsula.
D) All of these.