Answer: A
Explanation: The correct answer is letter A, proactive inference. This reffers to when we find something new that reasembles something we already know, we sometimes fill in the gaps with inferences; in this case John and Jim starts with the same letter and also Belinda has a similar relationship that she had with John.
Both amnesias that are mentioned among the options have nothing to do with this particular case due to their sympthomatic nature.