What is the main conflict in the speaker's mind in "Birches"?

A. between friends and neighbors

B. between fun and duty

C. between childhood and adulthood

D. between farming and logging

The main conflict in the speaker's mind in "Birches" is that (C) between childhood and adulthood. Everytime the speakers sees a bent birch tree, he thought of it that it is caused by the boys swinging on it where in fact it is far from the real reason - and he knows it. When he was a kid, he used to see it but now that he's adult, he used to think of it again where in fact it caused by natural phenomenon.