The last one! ☝
In case of a emergency, all driver must stop while the emergency vehicles is passing by you or near you.
C. The author comes to various outlandish conclusions that lead the reader to question his credibility.
The correct answer is B. Dr. Robert Garcia.
Given that this entire excerpt is written based on this author's study, it would be best to hyperlink his name so as to go to his study and check the original source of information. Placing it elsewhere wouldn't really make any sense at all.