单选题Operator needs to remove all leading comments # from shell.script file. Which of the following vi sub-command can achieve this?（）A:r/^#//gB:1,$ s/^#//gC:sed s/^#//gD:sub s/^#//g
单选题
Operator needs to remove all leading comments # from shell.script file. Which of the following vi sub-command can achieve this?（）
A
:r/^#//g
B
:1,$ s/^#//g
C
:sed s/^#//g
D
:sub s/^#//g
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