I will if u want me to im pretty good at this kinda thing
Huh? I was going to answer B, but I see you already know that.
2 the volcano erupted in the early afternoon of August 24,A.D.79, and the residents of Pompeii,four miles away,were able to see and hear the explosion,which sent a huge black cloud into the sky
The answer is A because it shows the main idea there.