They have to bring a string of shells
"When I said you were a friend of Tom's, he started to abandon the whole idea. He doesn't know very much about Tom, though he says he's read a Chicago paper for years just on the chance of catching a glimpse of Daisy's name" (p.152)
The correct answer choices are:
Atkinson unsuccessfully tries to stab the narrator.
And-
The clock strikes midnight while Withencroft is still writing.