Teacher:In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
Teacher: Now, understand the problem? Solve this instance: The more that cars are driven, the more that (A) daily temps will rise (B) birds will get sick (C) water will need purification (D) food will taste odd
Student:
A