【正确答案】 C

【答案解析】解析：boast vt.夸门说，吹嘘：自豪地拥有(如：The library boasts 500 new volumes．He boasts that he is one of the best shots in the country．)。enjoy vt．享受，享有。appreciate vt.重视，欣赏；为……表示感激。claim vt．声称，主张。