【正确答案】
C
【答案解析】[解析] 划线词为形容词,意思是“艰难的”,与C项difficult(困难的)意思相近,又如:Their refusal puts us in a difficult position.他们的拒绝使我们陷入了困境。A项意为“长的”,例:We have,however,a rather long way to go.我们仍然还有很长的路要走。B项意为“高兴的”,例:why aren't we all happy and successful?为什么不能皆大欢喜?D项意为“短暂的”,例:The coat is rather short in the sleeves.这件大衣的袖子很短。