号称“以孤篇压倒全唐”的名诗是（）。

A.《代答闺梦还》

B.《长恨歌》

C.《春江花月夜》

D.《琵琶行》

（） an answer, they decided to send an express telegram to them.

A．Received not

B．Having received not

C．Not having received

D．Not received