I think you should go back to your______plan, which is much more practical than the present one.
【正确答案】 A
【答案解析】句意:我认为你应该回到你原始的计划,它要比现在这个更实用。original原始的;random随意的;abstract抽象的;ridiculous可笑的,荒谬的。根据句意,故选A。