How should a developer assert that a trigger with an asynchronous process has successfully run?

How should a developer assert that a trigger with an asynchronous process has successfully run?
A . Create at test data in the test class, use System.runAs() to invoke the trigger, then perform assertions.
B . Insert records into Salesforce, use seeAllData-true, then perform assertions.
C . Create all test data, use @future In the test class, then perform assertions.
D . Create all test data in the test class, invoke Test.startTest() and Test.stopTest() and then perform assertions,

View Answer

Answer: D