Question

fleming, candace. amelia lost: the life and disappearance of amelia earhart. schwartz & wade books, 2011.
(14) \i think id like to learn to fly,\ amelia told her family that evening. she tried to sound casual, \knowing full well id die if i didnt.\
(15)
ot a bad idea,\ replied edwin, just as casually. \when do you start?\
(16) amelia wasnt sure. she needed to do a bit of investigating first. \i told him id let him know shortly.\
(17) edwin nodded, seemingly unconcerned. \i hadnt thought she actually meant it,\ he later said. so days later, when he learned she had signed up for lessons, he was surprised. in hopes of putting her off the idea, he told her he couldnt afford them. but amelia was determined. she found a job in the mailroom of the local telephone company to pay for the lessons herself. what could edwin do? \i let her fly,\ he said.
in paragraph 17, how does edwin respond to the main characters decision to start flying lessons?
he is overly enthusiastic about her decision.
he underestimates her seriousness.
he fully understands her passion.
he is indifferent to her interests.

Explanation:

In Paragraph 17, Edwin's response "I hadn't thought she actually meant it" shows that he underestimated Amelia's seriousness about learning to fly. He didn't expect her to be so determined.

Answer:

He underestimates her seriousness.