What does the author mean by "better off" in Paragraph 3

A．The recruiting letters Mack Reiter received offered him full scholarships.
B．Mack Reiter wanted to help his family go out of the trouble.
C．Traditional scholarships are a good solution to the tuition problems in some families.
D．Mack Reiter was very proud of his national wrestling championship.

A．Doctors' sleep is deprived by residents.
B．Sleep-deprived doctors are intoxicated.
C．Doctors tend to neglect their own sleep problems.
D．Doctors often need little sleep to keep them energetic.