When we’re talking about mock objects, a/an _________ is a feature built into the mock that verifies whether the external class calling this mock has the correct behavior.

When we’re talking about mock objects, a/an _________ is a feature

1.	When we’re talking about mock objects, a/an _________ is a feature built into the mock that verifies whether the external class calling this mock has the correct behavior.
A.	Expectation
B.	Explanation
C.	Behavior
D.	Amorous
Answer» B. Explanation