Spring is in full swing in the South. Which characteristic of my country's climate is mainly reflected in the fact that the North is frozen?

c

Test question analysis:

The poem "Spring is strong in the south, and the north is frozen" reflects the wide latitude between the north and the south of our country, and the sun shines directly on the southern hemisphere in winter. In the low latitude areas in the south, the sun's altitude angle is large, it gets more light and heat, and the temperature is high; in the high latitude areas in northern my country, the sun's altitude angle is small, it gets less light and heat, and the temperature is low. According to the meaning of the question, c is selected for this question.