He gives his harness bells a shake
To ask if there is some mistake
The only other sound's the sweep
Of easy wind and downy flake.
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.
What is the meaning of the word 'flake'?

Options

A. Drops of rain
B. A small thin piece
C. Both 1 and 2 are correct
D. None of the above