Only when he returned____ that the war had ended and the army had come back.[ ]

A. we tell    

B. we told

C. did we tell

D. were we told

“共鸣”，说明了文学鉴赏的一致性，而“有一千个读者就有一千个哈姆雷特”，则说明了文学鉴赏中同时还存在着______性。