Answer:
a) The crow and the hemlock tree in the poem which are the two agents of nature represent the dark side of nature along with a depressive, sorrowful and bitter side
b) inspires and gives him the idea to shake off his depressive thoughts, become cheerful and useful.
c) He means the day began with regrets and suddenly changed into happiness after the dust of snow fell on him.
d) The crow's movement
Explanation:
a) The crow and the hemlock tree represent sorrow. The dust of snow that is shaken off the hemlock tree by the crow stands for joy that Frost experiences.
b) The mood of the poet changed because the way the crow shakes down the dust of snow on the poet, inspires and gives him the idea to shake off his depressive thoughts, become cheerful and useful.
c) He means the day began with regrets and suddenly changed into happiness after the dust of snow fell on him.
d) The crow's movement
I believe it is
B. \[\sqrt{4}\]
