单项选择题

A. Damp towelB. Compressed airC. Alcohol wipeD. Compute……

A technician is servicing a customer’s color laser printer and notices excess toner in the printer.Which of the following tools would BEST assist the technician in removing the excess toner?（）

A. Damp towel
B. Compressed air
C. Alcohol wipe
D. Computer vacuum

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