She was surprised to find the house _____ into when she went back home.

A．broke

B．broken

C．break

D．breaking

关于原发性肝癌USG的表现，不正确的是（）。

A.肿块边缘可清晰

B.肿瘤越大，内部回声相对越高

C.肿瘤边缘血管可受压变窄

D.肿瘤内见丰富的血流信号

E.肝动脉变细