What is the subject of the following proposition? "In a dream, my love, you will find my heart."-Rockell (In a Dream)

A) you
B) dream
C) my heart
D) in a dream
E) will find

Subject

The main person, place, thing, or idea that is being discussed or described in a sentence or text.

Proposition

A statement or assertion that expresses a judgment or opinion, which can also be the content of a declarative sentence.

Dream

A series of thoughts, images, and sensations occurring in a person's mind during sleep.