You want to save vi changes to the file myfile with :w!, but vi complains it can not write to the file.

You want to save vi changes to the file myfile with :w!, but vi complains it can not write to the file. Therefore, you want to check the write permissions on the file. To do this without leaving vi, you type:
A. :!ls -l myfile
B. :ls -l myfile
C. esc :ls -l myfile
D. :?ls -l myfile

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