Ann, a User, Reports She Is Receiving Emails That Appear

Ann, a user, reports she is receiving emails that appear to be from organizations to which she belongs, but the emails contain links to websites that do not belong to those organizations. Which of the following security scenarios does this describe?

A) A hacker is using Ann's social media information to create a spear phishing attack
B) The DNS servers for the organizations have been hacked and are pointing to malicious sites
C) The company's mail system has changed the organization's links to point to a proxy server for security
D) Ann's computer is infected with adware that has changed the email links