<span>Both the interrogative and relative pronoun 'whom' is objective case; used as <span>the object of a sentence or clause.Interrogative: Whom will you tell? (you tell whom). Relative: The person, for whom I made this, is not here right now.</span></span>
The answer is, or should be, B. An 'adjective phrase' (or adjectival phrase) is a phrasewhose head word is an adjective, e.g. fond of steak, very happy, quite upset about it, etc.
I believe the correct answer: is it suggests that one
opponent is much smaller than the other.
In this excerpt from the newspaper "A David and
Goliath Battle Rages Over Sunshine Park", the mentioning the David and
Goliath suggest that one of the opponents in much smaller than the other. This
Biblical parallel alludes that even If regarded as the “small opponent”, Chelsea
Spree has an opportunity to win, just as David had.