You are going to read a text. Some sentences are missing from the text. Choose from the list (A-C) the most appropriate sentences to complete the text. There is also an extra sentence that you do not need to use.

In one of the most brazen cyberattacks, dozens of Twitter accounts belonging to prominent names in American politics, entertainment and technology – including Joe Biden, Barack Obama, Kanye West, Bill Gates and Elon Musk – were hacked last Wednesday to perpetuate a bitcoin scam. 1) ________ But the second wave targeted famous people, with the hackers using their accounts to entice people to send in their bitcoins with the fake promise of doubling them. It’s a scam that has been around since 2018. 2) _____________.

A. Cyberwarfare has become a part of countries’ arsenal where groups of hackers work closely with state authorities to carry out asymmetric warfare. 

B. But the sheer scale of the attack this time suggests a great degree of organisation, perhaps even state support.

C. A first wave of attacks hit the Twitter accounts of prominent cryptocurrency leaders and companies.