— What happened to the young trees we planted last week?

—The trees______well, but I didn’t water them.

A．might grow

B．needn’t have grown

C．would grow

D．would have grown

肿瘤确诊直接而可靠的证据是（）。

A.肿瘤特异标志物

B.影像学检查

C.内镜检查

D.病理形态学检查

E.基因诊断