What did the main character(characters) learn from the story. That is your theme.<span />
C.He dies when lightning struck the tent he was performing in
I believe it is a. After the ferry ride, Marquis walked home and sat in the backyard to enjoy the pleasant weather.
Choices 2 and 5 are correct. The other sentences use too many commas and periods in the wrong placements. If you read it out and pause at each comma and period, the others will sound wrong to the ear. Hope this helps! :)