跨行现金转账业务是指参与业务的成员机构发行的带有（）标识的银行卡。
A.万事达
B.VISA
C.JBC
D.银联
参考答案：D
简述肾穿刺活检术的适应证。
Martin looks so well. We’ve never seen him ______ so well before.
A．is looked
B．is looking
C．to look
D．look
