Answer:
Source amnesia.
Step-by-step explanation:
Source amnesia is when a person cannot recall or remember how, when, or where he had known about a certain event. In other words, a source amnesia is an event when a person is unable to recall how a certain memory was known.
In the given scenario, Carmelita's confusion in the issue of her house is a case of source amnesia. Her belief that her house has been bought by someone and that she needs to move out is brought by her inability to recall where she had previously known or remembered her neighbor's intention of purchasing it if she decides to move.
Thus, the correct answer is the third option.