Which sentence has an error in it? a) the letter was delivered to mary and his ailing grandmother. b) john brought in a sculpture he had made of a hand reaching upward. c) the sun shone down on the cat on the window while it purred gently. d) the daughter was extremely unhappy when she couldn't locate her father.

What is implied in this sentence from mark twain's "the ? 1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.