Read the passage from Hamlet, Act III, Scene iv. Gertrude: What wilt thou do? thou wilt not murder me?
Help, help, h!

Polonius: [Behind.] What, h! help! help! help!

Hamlet: [Draws.] How now! a rat? Dead, for a ducat, dead! [Makes a pass through the arras.]

Polonius: [Behind.] O! I am slain.

Gertrude: O me! what hast thou done?

Hamlet: Nay, I know not: is it the king?

Gertrude: O! what a rash and bloody deed is this!

Which element of tragedy does Shakespeare most develop in this passage?

conflict among characters
suspense in the plot
hero overcoming tragedy
unhappy ending for the main character