Read the following article and answer the question by choosing from the options.

Some Mexicans treated it ( the ceremony ) as their own festival , wearing boots with their traditional hats . No comments . My only regret is not taking my dc with me , so I can do a feature of the " Best Dressed " , " Worst Dressed " and " 2 Rice Dressed " .

Why did I feel the way I was feeling .
OPTIONS:
(a). I was feeling fearful about the Mexicans ..
(b). I was feeling happy about the Mexicans ..
(c). I was feeling jealous about the Mexicans ..
(d). I was feeling regret that I did n't take my dc with me , as I wanted to do a feature .....A:
(d).