Question

In "Binding Memories,” a book’s spine serves as an extended metaphor for the speaker’s

support for her sister’s marriage.
determination to reach her goals.
interest in many different subjects.
deep enthusiasm for reading.

Answer 1

determination to reach her goals.

Explanation: the spine (backbone) of a book is used as an extended metaphor for the speaker’s inner backbone—her resolve and strength to pursue and achieve her aims.