Answer:
it is C.) participle phrase
Dr Thomas Stockmann is the protagonist of "An Enemy of the People" by Henrik Ibsen, a Norwegian poet and theater director; in the play, Peter finds out about a health danger in the Baths of his town in Norway, which are a lure.
His words reveal a lack of awareness of his brother's character, Peter is jealous of his older brother. Thereby (D)
(2x-3)(x+7)=
2x^2 + 14x - 3x - 21=
2x^2+11x-21.