In my opinion, the correct answer is C. anger. This phrase doesn't give the audience a reason to panic or despair, and it is far too strong to cause mere anticipation. It causes downright anger because, according to the speaker, the injustice continues in spite of all the efforts. This is an appeal to ethos, a very delicate matter that is supposed to engage the listeners, rather than just move them emotionally.
<span>It was on such an island in the third summer of its yellow green that we built our watch fire. Not in the thicket of dancing willow wands, but on the level terrace of fine sand which has been added that spring a little new bit of world beautifully ridged with ripple marks and strewn with the tiny skeletons of turtles and fish all as white and dry as if they had been expertly cured. We had been careful not to mar the freshness of the place although we often swam to it on summer evenings and lay on the sand to rest.</span>