Which of the Alternatives Below Best Represents the Advice Given

Which of the alternatives below best represents the advice given in Influence for defending ourselves against those who would try to exploit the reciprocity rule for their benefit?

A) Surrender, the rule is too ingrained and potent to fight.
B) Refuse to accept any initial favors from others, thereby preventing the activation of the rule.
C) Accept initial offers of favors in good faith, but be ready react to them as tricks, not favors, if they are later revealed as exploitation devices.
D) None of the above.