Based on this excerpt from "Stopping by Woods on a Snowy Evening" by Robert Frost, which statement best summarizes a theme in the poem?

The woods are lovely, dark and deep,
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep.

A.
Quietness and isolation are tempting.
B.
The route through the woods is too dark to safely travel.
C.
Long trips are very tiring.
D.
The country is a better place to live than the city.