Answer: It would be me.
Explanation: First, you have to put to word in the sentence.
A: I'd rather not drive at night, but it bothers my sister less than mine.
B: I'd rather not drive at night, but it bothers my sister less than me.
C: I'd rather not drive at night, but it bothers my sister less than myself.
D: I'd rather not drive at night, but it bothers my sister less than I.4
Now, I want you to read this and tell me which one makes sense. Make sure you this on any question like this. Hope this helps and have a blessed day!