单选题 If his father could not keep up the payments on the mortgage, his uncle might ______ it for him.
【正确答案】 A
【答案解析】(redeem偿还，还清)。句意为：如果他父亲不能继续支付抵押借款，他叔叔有可能为他还清。B．amend改正；C．resemble像，与……类似；D．appeal控诉。