单选题：Which of the following commands results in mailing the content o

Which of the following commands results in mailing the content of the current directory to Bob? @[D](1)
A. mail Bob < ls
B. ls > mail Bob
C. ls || mail Bob
D. ls | mail Bob




A.mail Bob < ls
B.ls > mail Bob
C.ls || mail Bob
D.ls | mail Bob


答案：D