The answer to this is infinitive - D.
I'd assume so, because infinitive phrases always start with "To (verb)"
The others would not work. I hope its right, Good luck!
Answer:
People generally prefer a warm to a cold climate, and cold kills more people than heat.
Explanation:
It’s c because I have tooken the test already
Correct order: D, A, C, B
explanation: in sentence B, “for all these reasons” suggests it is summarizing the reasonings.
hope this helps :)