Which lines from "mending wall" best indicate that the speaker is amused while repairing the wall?
a. we wear our fingers rough with handling them.
oh, just another kind of out-door game,
b. no one has seen them made or heard them made,
but at spring mending-time we find them there.
c. and he likes having thought of it so well
he says again, "good fences make good neighbours."
d. we have to use a spell to make them balance:
"stay where you are until our backs are turned! "