Seven-Year-Old Cecilia's Mom Repeatedly Reminds Her What a Great Time

Seven-year-old Cecilia's mom repeatedly reminds her what a great time they had visiting the science museum when Cecilia was 2 ½.She says things like,"Remember when the robot talked to you,or how you were able to look through the microscope and see the ant's big eyes?" What is the best explanation for Cecilia's fond memories of that trip several years later?

A) Cecilia has firm and accurate memories from that trip.
B) Cecilia learned to speak very early so her brainpower allowed her to acquire memories early.
C) The trip actually happened earlier than Cecilia and her mother remember.
D) The trip actually happened later than Cecilia and her mother remember.