Question

What is the influence of syntax in this excerpt?
Mending Wall by Robert Frost.
Something there is that doesn't love a wall,
That sends the frozen-ground-swell under it,
And spills the upper boulders in the sun; And makes gaps even two can pass abreast.

A. Punctuation creates a jerky, tense style.
B. Inversion brings the subject of the sentence into immediate focus.
C. Punctuation creates a dramatic style.
D. Inversion allows the subject to be mentioned only at the end.