古希腊著名哲学家赫拉克利特有一句名言：“世界是包括一切的整体，它不是由任何神或被任何人创造的，它的过去、现在和将来都是按规律燃烧着，按规律熄灭着的永恒的活火。”赫拉克利特的这一思想被列宁评价为“对辩证唯物主义原则”的绝妙说明。这一评价说明，赫拉克利特[ ]

A、把唯物主义根本观点与朴素辩证法思想结合在一起

B、把唯物论和认识论科学地统一起来

C、是现代唯物主义的创始人

D、对世界的看法既唯物又辩证，因而是科学的

They asked me to have a dinner in an excellent restaurant with them, I said that it was at least five

years since I _______ a good meal.   [ ]

A. was enjoying    

B. enjoyed      

C. had enjoyed    

D. had been enjoying