Hey there!
I do not see an italicized in the following sentence above. But I believe I would know just the right word that you would need help with.
The word "fervent" in the sentence above would signify to have strong emotion toward something. I't actually would quite matter what you would have your mind to, but this would be the meaning of this word.
Based from your options listed above, the option that firts in to the definition that we just stated would be (option D).
The word (passionate) would actually be an synonym to this following word that we gave hurt discussed.
Your correct answer would be the (last option.)