In "January," what does the speaker mean by the image in the following lines?

Question

The sun a spark
Hung thin between
The dark and dark.

A. The sun barely shows behind the dark clouds
B. The sun sends off thin sparks in the night.
C. The sun appears for only a short time between the long winter nights.
D. The sun is unable to relive the depression of winter.

Is the answer A?

Answer 1

I don't think so. In the northern hemisphere, in January, are the days long and the sun bright, or are the nights long and the sun weak?

Answer 2

In January in the northern hemisphere the days are short and the sun is weak.