PREP一数学题

Tanya prepared 4 different letters to be sent to 4 different addresses. For each letter, she prepared an envelope with its correct address. If the 4 letters are to be put into the 4 envolopes at random, what is the probability that only 1 letter will be put into the envelope with its correct address?

A 1/24

B 1/8

C 1/4

D 1/3

E 3/8

求详细解答过程 谢谢！