In the great gatsby, what does the green light on the harbor symbolize?

The green light symbolizes ambition, desire, and longing. This is the longing to belong to a different class, a different life, a different identity. The book ends with an image of boats beating against the current, desperately striving to reach something (like the green light across the harbor) even as the current carries us back and back to where we came from.

It symbolizes him looking across looking at her dock.

If I had to choose I'd choose 'D'

Explanation:

They all seem to make sense, it's tricky. But tradition and early history would seem the most sense.