During the last hunting season, twice as many people were hit by cars while walking on public sidewalks as were hurt in hunting accidents in the woods. Therefore, during the last hunting season, people were safer in the woods than they were while walking on public sidewalks.
In evaluating the argument above, it would be most important to know

A．the likelihood that during the next hunting season fewer people will be hurt in hunting accidents in the woods than were hurt during the last hunting season.

B．the ratio during last hunting season of people who walked on public sidewalks to people who were in the woods.

C．how many of the people hurt in hunting accidents during the last hunting season had been hurt in similar accidents in the past.

D．how many of the accidents could have been avoided if the drivers of the cars or the hunters who fired the guns had been more careful.

E．(E) how many people, on average, are hurt in hunting accidents in the woods when it is not hunting season.

公路工程机械化施工中，机械的合理组合应遵循哪些原则？