Which pseudo code sample best represents the usage of persistent log files?

A.
Write error message to logfileA
If error then
Close logfileA
End-if

B.
Write error message to logfileA
For i = 1 to10
Create new log file logfileA
Write error message to logfileA
End-for

C.
Write error message to logfileA
If error then
Rename logfileA to logfileOLD
Create a new log file logfileA
Close the renamed logfileOLD
Open logfileA
Write error message to logfileA
End-if

D.
Write error message to logfileA
While error then
Write error message to logfileA
End-while