Lucian is participating in a laboratory experiment consisting of a one-time investment game similar to that in the DeBruine experiments. He decides to trust his partner to split a larger sum of money equally. Lucian's partner does split the money equally with Lucian. Which of the following best characterizes Lucian's and his partner's actions?
A) Lucian acted expecting indirect reciprocity, facilitated by his reputation for being trusting, while his partner acted altruistically.
B) Lucian acted expecting direct reciprocity, while his partner acted altruistically.
C) Lucian acted expecting direct reciprocity, while his partner acted cooperatively.
D) Lucian acted expecting indirect reciprocity, facilitated by his reputation for being trusting, while his partner acted cooperatively.
Anaswer: C