单选题 A ______ plan needs to be considered and accepted so as to lower the prices in these cities.

【正确答案】 A
【答案解析】[解析] deliberate深思熟虑的,周密的;disincentive妨碍活动的,有阻碍作用的;functional功能的,机能的;fantastic幻想的,空想的。答案是A。