Which of the Following Is True of Myers-Briggs Type Indicator

Which of the following is true of Myers-Briggs Type Indicator (MBTI) scores of college students in different studies?

A) Medical school students who became primary care physicians scored high in intuiting and extraversion.
B) Police officers and dental school students scored high in extraversion and in sensing and thinking.
C) Students in liberal arts college who were most likely to drop out before graduation scored high in introversion and intuiting.
D) Extraverted sensing type students had higher grade point averages than other psychological types.