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单项选择题 Certkiller.com is currently using a performance counter named HitCounter. You are required to increment each time a user accesses the UI classes within the application. To do this, you start by creating performance counters using the following code: GRAFIK - wird nicht für Antwort ben?tigt !!! You have to adjust the HitCounter performance counter when a hit occurs. What should you do?（）

A、

B、

C、

D、

  • A

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