Or you get everything invented to yesterday, including Facebook and your iPhone, but you have to give up, go out to the outhouse, and carry in the water.
B选项是：你拥有直到昨天之前历史上的所有发明， 这其中包括：脸谱网，苹果手机， 但是你必须舍弃一些，你只能到屋外上厕所， 必须要自己挑水。