Which sentence best describes the definition of a theme in literature? a. a theme is contrasting concepts in a text. b. a theme is the topic of a text. c. a theme is a perspective about a text. d. a theme is the purpose of a text.

D. A theme is the purpose of a text.

D) A theme is the purpose of a text.

Explanation: In literature, the theme is the underlying message of a story, it is  what critical belief about life is the author trying to convey in the writing of a novel, play, short story or poem. Usually this belief, or idea, is universal and transcends cultural barriers. From the given options, the one that represents the definition of a theme in literature, is the corresponding to option D, the theme is the purpose of a text (the message).

it provides a unique and personal perspective on a significant historical event.