单选题As each MSI message will have a unique identity, the printing of messages already received correctly is（）.Aautomatically suppressedBfinished by the operatorCmanually suppressedDdone again
单选题
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
A
automatically suppressed
B
finished by the operator
C
manually suppressed
D
done again
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