Answer:
i would need to read the passage to correctly answer this one, so maybe try asking again but with a screen shot of the passage so ppl can actually help you.
Explanation:
So I normally use the word Climax but I'm assuming that climax and main action are the same thing. The main action is definitely (B) - Mary's husband tells her that he is leaving her, because that is what starts the suspense.
Please tell me if that isn't right, I think it is.
Answer:
What exactly do you need?