Go down a storm means to be received very successfully or enthusiastically. The correct answer is this meaning because the expression is used figuratively, not only by its literal words.

Examples:

• The school drama went down a storm with the audience.
• In an HSC essay, Go down a storm can express this meaning: to be received very successfully or enthusiastically.
• When this expression appears in a passage, connect Go down a storm with the idea of to be received very successfully or enthusiastically.