Final answer:
The character who is a pilot-in-training and whose parents owned a restaurant is not clearly identifiable from the provided options without additional context from the source material. Rania and Tui, mentioned in reference to visiting a restaurant, do not offer the necessary information to determine the character's identity.
Step-by-step explanation:
The character in question who is a pilot-in-training, a friend of Navin, and whose parents originally owned a restaurant is most likely a reference from a piece of literature or comic series. Given the options provided, A) Lani Hall B) Aly Kiri C) Nia D) Jodi, one of these names corresponds to the character described. However, the reference provided about Rania and Tui, college students studying together and visiting a restaurant, does not directly provide information to identify the character definitively. Therefore, without additional context from the source material, it is not possible to provide a correct answer. To gain a better understanding, one would need to look at the source material where these characters originate from, which might be a book or a comic series set in a place called Cielis.