The correct answer is option c.)it implies that climbing a tree is like entering another world.
The effect of the allusion to Eurydice in Robert Frost's poem "Wild Grapes" is (c) it implies that climbing a tree is like entering another world. By referencing Eurydice, who was brought back from the underworld by Orpheus, the poet suggests that the act of gathering grapes is not just a routine task but a transformative experience akin to entering a different realm. The comparison adds a layer of mythic significance to the speaker's interaction with nature, highlighting the profound and almost magical nature of the grape-gathering experience.
This allusion doesn't imply a need for rescue, emphasize an ancient tradition, or suggest distance from the home of the children. Instead, it draws on the mythological narrative to convey a sense of enchantment and transcendence associated with the speaker's suspended moment with the grapes.
In summary, the allusion to Eurydice in Robert Frost's "Wild Grapes" implies that climbing a tree and gathering grapes is a transcendent experience, akin to entering another world, marked by a sense of enchantment and mythic significance.