This passage is showing anticipation and lightheartedness in the author because at first, he is predicting what will happen and he is not saying and describing that with boredom, anger, grief, or sadness, that is why other answers B, C, and D are incorrect.
He is showing lightheartedness at the beginning of the story where he is describing the day as ''clear and sunny, with the fresh warmth of a full-summer day; the flowers were blossoming profusely and the grass was richly green. ''
