Zeus sends two eagles soaring through the air as omens of death. but i am just guessing
Answer:
I think it's formal I always write them that way, so I would say formal.
If the underlined word is only 'barking', then the correct answer is B) present participle, because those are used to form present progressive tense, as is the case here.
A) would be 'barked'.
C) would be 'bark/barks'.
D) would be 'barked', the same as A.