Which detail shows why Ava stopped pretending to be a pirate?
1) Ava grew to be an adult, and she stopped wearing pirate clothes and digging holes in yards.
2) Ava decided that any good pirate must be in constant pursuit of buried treasure.
3) Ava did research, and she discovered that the coin she found was a 'Buffalo nickel.'
4) Ava grew up and became an astronomer, and she steers huge radio telescopes.