Come to fruition means to become successful or real after effort. The correct answer is this meaning because the expression is used figuratively, not only by its literal words.

Examples:

• Their plan finally came to fruition.
• In an HSC essay, Come to fruition can express this meaning: to become successful or real after effort.
• When this expression appears in a passage, connect Come to fruition with the idea of to become successful or real after effort.