How did environmental factors impact trade between Scandinavians in the Baltic region and the Abbasid Caliphate, based in Baghdad?

Read this passage from an analysis essay: allegories do three things. first, they tell a story. allegories also have multiple meanings. finally, allegories offer a moral lesson. which best uses parallelism to revise this passage? a. telling a story, having multiple meanings, and moral lessons: these are the things allegories do. b. allegories, tell a story, multiple meanings, and a moral lesson. c. allegories tell a story, have multiple meanings, and offer a moral lesson. d. allegories tell a story, and have multiple meanings and offer a moral lesson.2b2t

Think about the noes story. which fits best on the blank line above?

How do i correct this sentence correctly?