患者，女，18岁，左乳外上象限一黄豆大小肿块，质地坚韧，表面光滑，边缘清楚，与周围组

A client is scheduled to undergo percutaneous transluminal coronary angioplasty (PTCA). The nurse explains the procedure to the client. Which of the following statements by the nurse is most appropriate

A. "PTCA involves opening a blocked artery with an inflatable balloon located on the end of a catheter. "
B. "PTCA involves cutting away blockages with a special catheter. "
C. "PTCA involves passing a catheter through the coronary arteries to find blocked arteries. "
D. "PTCA involves inserting grafts to divert blood from blocked coronary arteries. "

—Did you visit the museum today?

—No. We _____ it, but we spent too much time shopping.

A．could have visited

B．must have visited

C．could visit

D．must visit

赵某在某商场偷到张某的钱包，即用钱包中的信用卡到ATM自动提款机，将款项提出，因提款数额受限，当天仅取出其中的5000元；第2天甲又准备再次提款时被抓获。下列关于该案处理的各种说法中，正确的是：( )。

A．如果公安机关不立案，张某向检察院提出，人民检察院如果认为不立案有错误，应当要求公安机关立案

B．如果公安机关对赵某未采取逮捕措施，张某向检察院提出，人民检察院如果认为不予采取逮捕有错误，可以直接将赵某予以逮捕

C．在此案的审理过程中，审判长胡某系赵某的堂哥，出庭支持公诉的检察员黄某当庭向法庭提出，要求胡某回避

D．赵某以盗窃罪被判处有期徒刑3年，交付监狱执行不久被假释，人民检察院发现假释违法，应当在收到假释裁定书后的20日以内，要求人民法院重新审判

She looked into the room, but didn't see ______.[ ]

A. everyone    

B. anyone      

C. someone        

D. none

密码破解并不考虑待破解密码本身，而是通过（）来达到和密码分析一样的最终效果，或者是密码对应的权限。