A—Danger
B—Don’t Disturb
C—Handle with Care
D—Exit
E—No Garbage Here
F—No Parking
G—No Photograph
H—Entrance
I—Silence
J—Caution
K—No Admission
L—No Littering
M—Keep off the Grass
N—Cash Desk
O—Booking Office
P—Don’t Touch Exhibits ( )危险 ( )禁止入内

A．the two Americans were not polite
B．sometimes the same sentence can have different meanings in different countries
C．American English and British English axe very different
D．Jimmy understood what the two Americans meant at last