Unferth, Ecglaf's son, rose up to speak, / who sat at the feet of the lord of the Scyldings; / he unbound a battle-rune the journey of Beowulf, / the brave seafarer, caused him chagrin, for he would not grant that any other man / under the heavens might ever care more / for famous deeds than himself;

Which statement from the passage most clearly establishes characterization for Unferth?

A[T]he journey of Beowulf, / the brave seafarer, caused him chagrin.

B[H]e unbound a battle-rune.

CUnferth, Ecglaf's son, rose up to speak.

D[W]ho sat at the feet of the lord of the Scyldings