Which of the Following Statements About Mineka, Cook, and Colleagues

Which of the following statements about Mineka, Cook, and colleagues' animal studies is correct?

A) Laboratory-reared monkeys develop a phobic-like fear of snakes only after actually being bitten by snakes.
B) Observationally conditioned fear responses were acquired quickly but did not last more than a day or two.
C) Observationally acquired fear responses were undiminished after three months.
D) Observationally acquired fear responses cannot be acquired simply by watching videotapes of fearful monkeys.