Mark Takes a Test to Measure His General Level of Anxiety.After

Mark takes a test to measure his general level of anxiety.After taking the test, Mark realizes that the test contains questions only on the physical symptoms of anxiety and no questions on the cognitive symptoms, which are equally important aspects of the phenomenon of anxiety.In this case, the test mostly lacks

A) alternate-form reliability.
B) content validity.
C) test-retest reliability.
D) predictive validity.