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若要允许中断INT_DMA3和INT_TIMER0，需要给中断屏蔽寄存器INTMSK如何赋值?

题型：单选题

选项

A. INTMSK&=~((0x1<<20)|(0x1<<10));

B. INTMSK|=~((0x1<<20)|(0x1<<10));

C. INTMSK&=~((0x1<<21)|(0x1<<11));

D. INTMSK|=~((0x1<<21)|(0x1<<11));

正确答案：A