Answer: d. outside to see what flickering flames are near the marsh
Explanation: Merriton was going to investigate flames that were flickering outside near the marsh just like a signal fire would do. Watching the flames for a good twenty minutes made him nervous and informed his decision to go see what was causing it.
B. The Tense relationship with her parents
The comma in the sentence is used to separate the clauses, "The Great Hall is open to the public" and "you must reserve a spot in advance". These clauses are both independent. Thus, the answer to the question above is letter D.
