All of These Students' Behaviors Show They Are Taking Advantage

All of these students' behaviors show they are taking advantage of the idea of encoding specificity EXCEPT:

A) Harry, who typically goes to bed early but stays up late to study the night before the exam.
B) Brennon, who smiles and puts himself in a good mood before studying and before testing.
C) Joel, who decides to chew a particular kind of gum while he is studying and during the test.
D) Alex, who is studying in the same lecture hall where he will be taking his exam.