单项选择题
A.correctness B.security C.portability D.stability
A.When 100%statement coverage is achieved, 100% branch coverage is obtained B.Decision coverage means branch coverage C.Condition coverage is more complex than decision coverage D.White box testing is not stricter than black box testing
A.directory—managing B.boosting the speed of the file—accessing C.file—protecting D.improving the utilization of storage