Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

1. 

Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?
[A]. chmod u+x emp[1-3]
[B]. chmod 777 emp*
[C]. chmod u+r ??? emp
[D]. chmod 222 emp?
[E]. None of the above

Answer: Option A

Explanation:

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