<span>If you want the public's perception of the mayor's intent to install cameras at traffic lights, you would (C) interview ten drivers about their opinions of the plan.</span>
C) interview ten drivers about their opinions of the plan
Explanation:
By interviewing the drivers directly, you have your information at first hand. The drivers themselves will be the ones reacting to the action since they're directly related to the subject and, because of that, you can have an honest first reaction to the idea, which might help you make your decision.