单选题：Load testing involves determining the input of which 3 variables

Load testing involves determining the input of which 3 variables? @[A](1)

A. N, T, D
B. N, T, P
C. T, D, P
D. N, D, P




A.N, T, D
B.N, T, P
C.T, D, P
D.N, D, P


答案：A