The answer is C. You're welcome, if you have anymore questions. Please ask.
D is the answer. Motif's come from the author/composer as part of a work. Archetypes are believed to be universal across all works.
An important element of romantic literature is:
C) personal and spiritual exploration
Romantic era in the history of English Literature marks its place as the period of love for nature and the revival of past. Literature, music and love for nature grew as a reaction against the rational and horror nature of the society. The reflection of internal beauty which enhances the outer structure of a person was one of the characteristics of the Romanticism. According to the Romantics, the internal realities and imagination are the ideal conceptions which gives inspiration to one.