What Is One Way Hackers Can Trick You into Transmitting

Multiple Choice

What is one way hackers can trick you into transmitting personal data over on a public network without your knowledge?

A) They use adware filling your screen with unwanted advertisements until you click on one.
B) They overload the server with network traffic so webpages will not load.
C) They disguise the network as an evil twin.
D) They encrypt your computer data and hold it hostage until you pay a fee,usually with bitcoins.