Read the stanza. Being the oldest isn't usually hard;
you're the first to graduate school,
the first to drive a car.
But Kathleen had a sister whom everyone adored.
When Mary Louise wanted something,
she refused to be ignored.

What is the purpose of the first stanza?

A.
It establishes the characters in the poem and describes their traits.
B.
It establishes the problem mother has with Mary Louise's tantrums.
C.
It shows the relationship of Mary Louise, Kathleen, and mother.
D.
It shows how Kathleen is first at everything and Mary Louise is last.