...
But I am done with apple-picking now.
Essence of winter sleep is on the night,
The scent of apples: I am drowsing off.
I cannot rub the strangeness from my sight
1 got from looking through a pane of glass
I skimmed t

...
But I am done with apple-picking now.
Essence of winter sleep is on the night,
The scent of apples: I am drowsing off.
I cannot rub the strangeness from my sight
1 got from looking through a pane of glass
I skimmed this morming from the drinking trough
And held against the world of hoary grass.
...
Questions:
A. Identify the author and the title of the poem from which the quoted part is taken.
B. What does the word “hoary” in the last line mean?
C. What question did the author explore in this poem?

A. Robert Lee Frost;“After Apple-Picking"
B. It means gray or white.
C. A religious question.