Yes C is correct because provocative means to do something not slyly and dull can mean laking personality, opinion or intuition.
Biographical is a form of arts that can allow the audience
or reader to know about the artist. It is the work of the artist himself
describing the many phases of the life that he had to go through to be where he
is today. Prominent example of the biography is the roving commission by Sir Winston
Churchill.
use a highlighter
remember that marking a book is a writing exercise
mark large pieces of text