When denis wanted a letter,he wrote down the letter before it in the alphabet.
BNLD ZS LHCMHFGS ZMC GZUD SGD SGHQSM ONTMCR VHSG XNT
COME AT MIDNIGHT AND HAVE THE THIRTN POUNDS WITH YOU.
B.midnight
D.LDDS ZS SGD QZHKVZX RSZSHNM
问题2选D,可根据排除法做,很容易就排除了ABC
问题1选B
看不懂啊