Another
name for theme is message. Theme is the author's main idea or his
message. The theme can be summed in one word, as death or love. For
example the message of “Romeo and Juliet” is that love's
stronger then <span>family
selfishness. There can be several messages. Characters say and do
everything according to the theme. First the authors think about the
theme, then create the settings and characters. The theme or message
controls all events in the story. </span>
Is after the underlined word? If so, it'd be a preposition. It's followed by a noun.
D because propel means to move forward
