Question #N1337

I thought about the way we used to spend our summers. We used to go to the beach every day, and we would build sandcastles, swim in the ocean, and collect seashells. It was a simple life, but it was a happy one.

Which choice best describes how the underlined portion functions in the passage?
A. It provides a summary of the speaker’s childhood.
B. It introduces the main idea of the passage.
C. It contrasts the speaker’s past with the speaker’s present.
D. It provides a specific example to support the speaker’s claim.