Bernice is again enjoying the doldrums what is the part of speech of doldrums in this sentence

How would auden most likely rewrite the following line(s) of the poem if brueghel's painting had depicted the farmer rescuing icarus? “the ploughman may have heard the splash the forsaken cry but for him it was not an important failure” a would remain unchanged b the ploughman heard the splash the forsaken cry, and for him it was a concerning situation c the ploughman most surely have heard the splash, the forsaken cry but for him it was not an important failure d. the ploughman could not have heard the splash, the silent cry so for him it was not an important failure