Answer:
a. He did not realize her question was actually a request.
Step-by-step explanation:
Dana was asking Leon if he wanted to go to the Italian restaurant for dinner because she wanted to go herself. While she did not state clearly that going there was her intention, Leon was very quick to dismiss her because he was only thinking about where he wanted to have dinner. Even if he did not want to to the the Italian restaurant, he could have told Dana why and try to reach a compromise.