In "Nothing Gold Can Stay," why does Robert Frost allude to Eden?

A.) Eden's short-lived perfection is similar to the temporary perfection of nature's first green.
B.) Eden is a place that Frost visited many times and came to think of as golden.
C.) Eden is a place that, like the natural world, is known to be filled with gold.
D.) Eden is a place that remained perfect forever, just like the world described in Frost's poem.