单选题 His answers were obscure and confusing.
【正确答案】 B
【答案解析】[解析] 本句意思:他的回答晦涩难懂,令人费解。obscure意思是“晦涩难懂的,不清楚的”,与unclear(不清楚的)意思相近。obvious明显的;clear清晰的;direct直接的。