Answer: Hindsight bias
Explanation: Hindsight bias also called knew-it-all-along phenomenon is a psychological phenomenon which occurs when an individual overestimates or overrates his prediction, A prediction in which the individual couldn't correctly make or was very uncertain before the outcome was revealed or before the event occurred. Once the event takes place such individual starts to overestimate his predictive ability of the event. This is called Hindsight bias.
Diya boasted of knowing she will be selected only after she was selected, before being selected she predicted Pierre would be made captain.