单选题：What is the normal order of activities in which traditional soft

What is the normal order of activities in which traditional software testing is organized? @[C](1)

A. integration testing, system testing, unit testing, validation testing.
B. unit testing, validation testing, system testing, integration testing
C. unit testing, integration testing, validation testing, system testing
D. validation testing, system testing, integration testing, unit testing




A.integration testing, system testing, unit testing, validation testing.
B.unit testing, validation testing, system testing, integration testing
C.unit testing, integration testing, validation testing, system testing
D.validation testing, system testing, integration testing, unit testing


答案：C