单选题While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）A r is greater than 40B id is greater than 50C sum of id and wa equals 50D sum of us and sy equals 100
单选题
While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）
A
r is greater than 40
B
id is greater than 50
C
sum of id and wa equals 50
D
sum of us and sy equals 100
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