The cause-and-effect structure helps the reader understand how specific people's decisions affected the spread of the fire.
The answer to the question above is "b) He was depicted as a Saxon warrior" which is the true statement regarding Beowulf according to the Beowulf manuscript. Beowulf is a well-known legendary hero from the Geatish legend. He shows the strength and the courage of a hero which makes him considered as an Anglo-Saxon warrior.
I believe A is the answer