Answer: He suspects that there are problems with the quiz's validity
Explanation:
Marcus has visited a web page that contains tests to be able to choose a career that suits his interests. Marcus perceives that the results are vague and do not go according to his personality may be due to various factors. It is important to note that the quiz that appears on various web pages are not intended to determine exactly what a person should or should not study, these web pages open an idea where the person taking the test can consider the careers shown within of your options.
Another aspect to take into account is that, if Marcus is not yet determined about what he should study or not, the results he does on websites of this type can lead him to the point of confusing him more, so the importance of working closely with an area professional to guide Marcus and not be confused with what the test has saved.
Also, the way Marcus feels could be because he is a little anxious about the career he should choose. The statement says that he has entered the website several times to take the exam, which may be due to Marcus's desperation to know that he is going to study.
