run on MacOS i think i didn't really get what u meant but it would be great if you could rephrase it :))
The answer is B) study geography
The figurative meaning of the phrase “set the wall between us” in the poem “Mending Wall” is to build a barrier between people. This figurative is taken from the "Mending Wall" poem by Robert Frost which specifically made to criticize the customs of setting a barrier between people. This part shows the poet messages.
The answer is pleasing to the ear