Select the correct answer. Read the excerpt from T. S. Eliot’s "Preludes." Which form of poetry is used?

The winter evening settles down
With smell of steaks in passageways.
Six o’clock.
The burnt-out ends of smoky days.
And now a gusty shower wraps
The grimy scraps
Of withered leaves about your feet
And newspapers from vacant lots;
The showers beat
On broken blinds and chimney-pots,
And at the corner of the street
A lonely cab-horse steams and stamps.

And then the lighting of the lamps.

A.
fixed form
B.
closed form
C.
free verse
D.
blank verse