Which of the Following Questions Would a Researcher Be Most

Which of the following questions would a researcher be most likely to investigate with a survey?

A) How often do people run a red light at the intersection of Main St. and Holland Ave.?
B) What aspects of an intersection cause people to run a red light more often?
C) In the past thirty years, has there been an increase of drivers running red lights?
D) What are people's attitudes about drivers who run red lights?