Gerund phrase infinitive or participle

the answer is: round.

in literature, round characters are considerably complex and experience or are subjected to unpleasant situations. as a consequence, they go through crucial sentimental and psychological development, which can cause surprise in the readers. in this case, juan's dramatic transformation is related to the adversities he meets at school.

i believe it is d.) previous creature

the sentences are -

it was all just as it was in the law courts. the doctor put on just the same air towards him as he himself put on towards an accused person.