(单选题)10: 若信号量S的初值为5，当前值为-2，则表示当前系统有( )进程在与S相关的队列中等待。
A: 0个
B: l个
C: 2个
D: 3个
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1.(单选题)—Sally,,MaryBrown. —Nicetomeetyou.I'mSallyJohnson,theSalesManager. A...
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