单选题 The mother is told that her child is desperately ill--the chance of survival are slim, and the treatment is as dreadful as the disease.

【正确答案】 B

【答案解析】incurable不能治愈的。fearful可怕的，吓人的。impossible不可能的，难以忍受的。troublesome麻烦的，讨厌的，棘手的。dreadful可怕的，讨厌的。