Which of the Following Statements Best Describes a Trojan

Multiple Choice

Which of the following statements best describes a Trojan?

A) Malicious software that hides into the lower levels of the operating system and opens a backdoor
B) Malicious software that records every key stroke and mouse movement
C) Malicious software that disguises itself as a legitimate program
D) Malicious software that takes the computer data hostage to extort money