"He" and it's nominative.
Nominative pronouns include pronouns that are more often than not used as subjects such as "he", "she", "they, "I", "we", or "who".
The answer is most likely to be A
A. the first work of it's kind in Japanese history,
Iceland was settled by : Ingólfur Arnarson
10:10 = gozen juu-ji jup-pun
8:25 = gozen hachi-ji nii-juu-go-fun
if im not mistaken