Answer:
b. Are we supposed to spring forward or fall forward I can never remember how the time change works?
Explanation:
Run-On Sentence Definition: "A run-on sentence results from two or more complete sentences being connected without any punctuation. The best way to find a run-on sentence is to determine whether there is more than one independent clause in the same sentence without punctuation."
If you were to correct b:
1. Are we supposed to spring forward or fall forward? I can never remember how the time change works.
2. Are we supposed to spring forward or fall forward; I can never remember how the time change works?
Hope this helps! :)