单选题 The young man sticks to his ideals in spite of their impracticality.

【正确答案】 B
【答案解析】[解析] 选项adhere to“坚持”和stick to“坚持”同义。其他短语分别意为:stick out“伸出”、adhere with搭配错误和cling with搭配错误,应接介词to。