Before passing the threshold, i paused to admire a quantity of grotesque carving lavished over the front, and especially about the principal door; above which, among a wilderness of crumbling griffins and shameless little boys, i detected the date '1500,' and the name 'hareton earnshaw.' i would have made a few comments, and requested a short history of the place from the surly owner; but his attitude at the door appeared to demand my speedy entrance, or complete departure, and i had no desire to aggravate his impatience previous to inspecting the penetralium. what does the word principal mean, as used in section 11 of the passage? a) boss b) general c) main d) subordinate