单选题 The Town Planning Commission said that their financial outlook for the next year was optimistic. They expect increased tax______.
【正确答案】 C
【答案解析】解析:revenue n.财政收入,税收(一般作不可数名词用,偶见用复数的情况,如:The government gets revenue from taxes.)。validity n.有效,效力;正确(性)。privilege n.特权,优惠。efficiency n.效率;功率。