She felt sad because she had been looking forward to it and now the days were longer without him.
I am sort of puzzled on this particular question; however, I think I solved it. Okay, so the text starts with explaining the benefits of coffee, then it proceeds to explain the negative affects of consuming coffee. Transition words like <em>on the other hand</em> are commonly used when contrasting ideas. Hence, I believe the correct answer is c. contrast.
The real question is do you like him the way he likes you
Carl Sandberg is describing the pleasant feeling of being shrouded in fog and how it arrives gently, sits for awhile then moves on so is unobtrusive whereas Robert Frost in Mending Wall there is a strong skepticism about his neighbour's dictum that "good walls make good neighbours" and his feelings of misgivings about maintaining a wall between adjacent properties when there are no cows to corral or no obvious practical reasons for the wall.