单选题 — Do you regret paying five hundred dollars just for the oil painting? — No. I would gladly have paid______for it.
【正确答案】 A
【答案解析】解析：句意“你不后悔在油画上面画了五百多美元?不后悔，即使双倍价格我也愿意支付。"固定搭配。