C. The passage has a strong claim backed up by relevant evidence.
Explanation:
Option C is the correct answer because the given passage actually states a strong claim. Strong claims are known to be specific, arguable, straight to the point and expresses one main idea. The claim made in the passage is actually expressing the idea that weather changes from year to year.
The evidence used here is strong and relevant because it gives accurate facts, it's convincing, and also relevant to the argument at hand.
