How should a developer verify that a specific Account record is being tested in a test class for a visualforce controller?

How should a developer verify that a specific Account record is being tested in a test class for a visualforce controller?
A . Insert the Account in the test class, instantiate the page reference in the test class, then use System.currentPageReference().getParameters{}.put() to set the Account I
C . Instantiate the page reference in the test class, insert the Account in the test class, then use seeAHData-true to view the Account.
D . Insert the Account into Salesforce, instantiate the page reference in the test class, then use System.setParentRecordId().get() to set the Account I
F . Instantiate the page reference in the test class, insert the Account in the test class, then use System.setParentRecordld().get() to set the Account I

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Answer: D