单选题 His wife says that he was more frugal in his youth than later years.(2003年中国人民大学考博试题)

【正确答案】 C

【答案解析】解析：题中frugal的意思是“节俭的，朴素的”，C项“thrifty节约的”与之相符。其他三项“listless冷漠的，情绪低落的；robust精力充沛的；gullible易受骗的”都不正确。