I'd rather you ______ by train because the weather forecast said there would be heavy snow tomorrow.
【正确答案】 A
【答案解析】would rather后可跟从句，表示主语宁愿让某人干某事；从句谓语动词用虚拟语气，即用一般过去时表示现在或将来要做的事，用过去完成时表示过去要做的事。故答案为A。