But I met him . Devin . I ended up agreeing to go out with him and I wore a little khaki skirt for our first date and I called him every night and I played out the relationship like it was 1958 and our parents were always in the other room . I do n't know why it lasted as long as it did .

Q with options: Give answer the following question using evidence from the above passage: Why do you think I played the relationship in the manor that I described ?
Available choices:
(I) None of the above choices .;
(II) Because it was 1958 and our parents had to chaperone .;
(III) Because I wanted to take it slow and easy and was surprised he continued to play it that way also .;
(IV) Because my parents were always in the room watching us .;
(III)