单选题 The prodigal son spent his money economically and soon after he left home he was reduced to a beggar.
【正确答案】 A
【答案解析】划线词extravagantly“挥霍无度地”；A项lavishly“浪费地”，与划线词的意思最接近；B项economically“经济地，经济学地”；C项thriftily“节俭地”；D项extrovertly“性格外向地”。