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

the closed door
the thumb sucking
the fact that she is fourteen
her maturity

The fact that she is fourteen.

Explanation:

In "Hanging Fire," we learn about a young girl who is fourteen. We are able to look at the things she thinks about and worry her. These include having bad skin, liking a boy who does not like her back, school and, more surprisingly, death. All of these factors are related to the transitional time between adolescence and adulthood. One of the factors that highlights this is the fact that the girl is fourteen.

sorry, i just really need points. and to this question, maybe i know the answer. but i have no time now. d