单选题A user would like their shell prompt to reflect the current directory. Which of the following environment variables can be set to accomplish this？（）A PS1B PATHC PROMPTD LOCPATH
题目
单选题
A user would like their shell prompt to reflect the current directory. Which of the following environment variables can be set to accomplish this？（）
A
PS1
B
PATH
C
PROMPT
D
LOCPATH