Read the following stanza from Audre Lorde's poem "Hanging Fire" and answer the question.

I am fourteen
and my skin has betrayed me
the boy I cannot live without
still sucks his thumb
in secret
how come my knees are
always so ashy
what if I die
before morning
and momma's in the bedroom
with the door closed.

What detail supports the inference that this poem is about the transitional time between adolescence and adulthood?

a. the closed door
b. the thumb sucking
c. the fact that she is fourteen
d. her maturity