He concluded with a PANEGYRIC on modern chemistry.
Panegyric is defined as a public speech or text that praises someone or something. It is similar to eulogy but unlike eulogy, the recipient of the praise is not limited to a person. As is the case of the above sentence, the subject of the praise was modern chemistry. Because of modern chemistry, Frankenstein was given life.
The answer for that part of speech is preposition
Actually, you'd think it would be I, II, AND III, but from the choices you have, I'd have to go with D, I and II.
Comment if the answer is right or wrong so other people that need this will be 100% sure.
I don’t what your trying to say but be more specific pls