Answer:
a. When he is confused about class material, he is apt to give up quickly.
Step-by-step explanation:
Note frank attributes his success to his studying long hours and from his family.
Therefore, Frank cannot be classified as a low performing student that is reluctant to ask questions when confused about class material.
His diligence as a student as well as his family influence on him is viewed as external factors that affects his behaviour or performance. However being 'apt to give up easily' is not an external factor that affects his behaviour as a student.