Which form of fraud does an attacker try to learn information such as login credentials or account information by masquerading as a reputable entity or person in email, IM or other communication channels?

In which form of fraud does an attacker try to learn information such as login credentials or account information by masquerading as a reputable entity or person in email, IM or other communication channels?
A. Identity Spoofing
B. Phishing
C. Hacking
D. Smurfing