Answer: The narrator is not entirely truthful.
In this excerpt, the narrator is describing the reasons why he has decided to stay in Venice longer. He explains how he persuaded his friends, and almost persuaded himself, that the reason for his long stay was the deisre to study Venetian culture. However, he implies that there are hidden motives for it, indicating that the author is not being entirely truthful.
Answer:
B. Luz trained with Coach Davis, and with practice Luz excelled at the sport.
Situational irony!
Because, she initially thought she was free from her husbands wrath. She celebrated and her heart was happy, this only to end with such a heartbreak that it kills her.