Just because something is between quotes, it doesn't mean it has to start in capital letters unless it is a name.
Answer:
D.
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<span>He shows a range of emotions over the course of the play.
Like a real person, he has a complicated and nuanced personality.
Hamlet's personality grows and changes over the course of the play. He allows the audience into this journey with him, and we get to see how he changes emotionally. Also, he doesn't always make the best decisions; his actions are complicated as real, round characters should be. </span>