Answer:
A.
rebirth and rejuvenation
Step-by-step explanation:
Let us pay close attention to the following lines of the poem:
"All cares and feares, he bids farwell
and meanes in safity now to dwell".
This line of the poem is pointing to the fact that the speaker is ready to ignore the fear and worries that as been a burden in their life. This is some how a form of transformation, rebirth or rejuvenation, in which the speaker experiences or have a new look or disposition.