"Sousa was the greatest musical star of his era, combining the charisma
and popularity of Leonard Bernstein and the Beatles."
Which statement identifies a weakness in the supporting evidence for
the author's opinion?
A. The author does not compare Sousa to musicians of the same
era.
B. The author does not consider qualifications other than
popularity.
C. The author does not explain what qualified Sousa as the greatest
star.
D. The author does not include other writer's opinions.