Which of the Following Scenarios Best Illustrates Spear Phishing

Which of the following scenarios best illustrates spear phishing?

A) Tanya clicks on a link that appears to have been e-mailed to her by her colleague and ends up downloading a harmful software.
B) Margaret receives an e-mail from an unknown account claiming that she has won the state lottery and asking for her credit card information.
C) Parker receives an e-mail from an unknown sender claiming to be a charitable organization and requesting him to transfer money as a donation.
D) George opens a pornographic website on his office computer without the knowledge of his co-workers.