What is the normal order of activities in which traditional software testing is organized?
hence option a is correct
Traditional software testing is organized in following Sequence:
So, option (B) is correct.
Validation Testing ensures that the product actually meets the client's needs. It can also be defined as to demonstrate that the product fulfills its intended use when deployed in an appropriate environment.
reference : https://www.tutorialspoint.com/software_testing_dictionary/validation_testing.htm