* Why Test.loadData()?
* Simplifies test data creation by loading data from a CSV file stored as a static resource.
* Ideal for testing specific field values in bulk.
* Why Not Other Options?
* A: Querying data from the org violates test isolation principles.
* C: Anonymous Apex cannot be used within test classes.
* D: JSON files in Documents are not supported by Test.loadData().
* Test.loadData(): https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode
/apex_testing_tools_load_data.htm
References: