Q: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Fact1: a speedometer is used for giving a driver feedback on the speed of their vehicle, Fact2: Average vehicle speed rises by only 0.3 miles per hour., Question: What measures miles per hour? (A) visibility (B) a ruler (C) a speedometer (D) tetraceratops (E) lamphreys (F) 295 degrees Kelvin (G) a microscope (H) a barometer
A:
C