Someone me which quote from the text reveals why pip is unhappy despite learning of his great expectations? a. "after a pause, they both heartily congratulated me; but there was a certain touch of sadness in their congratulations, that i rather resented." b. "at those times i would get up and look out at the door; for, our kitchen door opened at once upon the night, and stood open on summer evenings to air the room." c. "dissatisfied with my fortune, of course i could not be; but it is possible that i may have been, without quite knowing it, dissatisfied with myself." d. "i never could have believed it without experience, but as joe and biddy became more at their cheerful ease again, i became quite gloomy."