Which two stanzas from "The Laboratory" show the Gothic element of overdramatic emotion?

A. That in the mortar—you call it a gum?
Ah, the brave tree whence such gold oozings come!
And yonder soft phial, the exquisite blue,
Sure to taste sweetly.—Is that poison too?

B. Not that I bid you spare her the pain;
Let death be felt and the proof remain:
Brand, burn up, bite into its grace—
He is sure to remember her dying face!

C. He is with her, and they know that I know
Where they are, what they do: they believe my tears flow
While they laugh,
Laugh at me, at me fled to the drear
Empty church, to pray God in, for them!—I am here.

D. Soon, at the King's, a mere lozenge to give,
And Pauline
Should have just thirty minutes to live!
But to light a pastile and
Flise with her head