单选题：How could you watch the contents of a logfile, even if the logfi

How could you watch the contents of a logfile, even if the logfile is growing while you're watching? @[A](1)
A. tail -f logfile
B. less -f logfile
C. more -f logfile
D. watch logfile



A.tail -f logfile
B.less -f logfile
C.more -f logfile
D.watch logfile


答案：A