膀胱肿瘤（）

A.膀胱输尿管开口处无回声区，随喷尿大小发生变化

B.膀胱输尿管开口处实质性肿块，该处膀胱壁回声不清晰

C.膀胱较大扁平状实质性肿块，随体位移动而缓慢改变位置，膀胱壁回声清晰

D.膀胱内管状强回声，后方伴或不伴声影，随体位移动而改变位置

E.膀胱内强回声团，后方伴或不伴声影，随体位移动而改变位置

The teacher stressed again that the students should not ______ any important details while retelling the story. [ ]

A. bring out

B. let out

C. leave out

D. make out