8. Managers could choose to do nothing when ________.
(A) performance standards are acceptable, though the employees have not attained it
(B) the variance observed from the expected performance is caused due to unrealistic standards
(C) an employee fails to attain the standard because of internal problems
(D) the difference between actual performance and standard performance is low and acceptable

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統計： A(0), B(1), C(0), D(1), E(0) #2586803