单选题 For lack of time, the option of starting all over again has been ruled out.
【正确答案】 D
【答案解析】该句意为:由于时间有限,一切从头开始的这个选择被排除了。rule out:排除(可能性);approve:批准,通过;supervise:监督,监考;document:记录;exclude:排除。