Plz help 10 points are given

From in memoriam, a. h. h. by alfred, lord tennyson far off thou art, but ever nigh; i have thee still, and i rejoice; i prosper, circled with thy voice; i shall not lose thee though i die. earlier in the poem, the speaker expresses his grief over the loss of his friend. why does he, in these later lines, “rejoice”? a.by memorializing their friendship in the poem, the speaker feels that his friend lives on. b.the speaker believes that he and his friend, although physically separated, are united spiritually. c.visiting places where his friend spent time, the speaker imagines that his friend is still present.