This is true. The general theory regarding personality development is that some aspects of our personality remain constant, while others will change due to environment. This entails a mixture of "nurture and nature" with regard to personality.
If I had to pick any of these I would pick C.) Relief because in the text the speaker says,"<span>I have been half in love with easeful Death</span>" Which doesn't seem very horror filled or teeming with anxiety. Let me know if this helped.
3rd person since he is saying what the cow did
"don't hesitate or allow yourself to make excuses, just get out and do it. just get out and do it! you will be very, very glad that you did"