Answer asap !

frederick was "green-walled by hills" means that

the town had green walls near the hills.
the hills cast green shadows on the walls of the town.
the town lay in a valley surrounded by green hills

Which line in this excerpt from "the love song of j. alfred prufrock" by t. s. eliot uses synecdoche? shall i say, i have gone at dusk through narrow streets and watched the smoke that rises from the pipes of lonely men in shirt-sleeves, leaning out of windows? i should have been a pair of ragged claws scuttling across the floors of silent seas.