Facts have shown that there is no reason to be afraid of flying. In 1986 alone, highway accidents killed 46,000 people, and from l990 to the present, the average annual death rate of large domestic airlines is only 77, and local aviation The company's accident mortality rate is also slightly higher. If the above statement is accurate, knowing which of the following is most important in evaluating the persuasiveness of the argument? ['Does the experience of flying multiple times reduce the fear of flying?', 'How many people report that their fear of flying is so strong that they cannot fly.', 'How many people traveled by highway and by air since 1980.', 'How much more accidental rates have been experienced by local airlines than by large domestic airlines since 1980.']