Answer:
a. The "Before" section
Explanation:
Information on assembling an emergency supply kit is placed in the "before" section. That's because, the emergency supply kit must be made before a volcano goes live.
In summary, if you live near an active volcano and receive news that the volcano may erupt, you must prepare the emergency kit before the volcano erupts. This way you will have the basic elements that will help you to survive in case any problem happens.
I think the answer is B. a sketch of the train station
I think it is C because A is missing commas, B doesn't need them and D doesn't need one.
