Galileo lived in the City of Pisa, ______ there is a leaning tower about 180 feet ______.

A. in which; height


B. where; in height
C. which ; high


D. where ; height

客户李先生到柜台咨询由于连续输错存折密码三次，造成账户不能取款现在该如何处理，柜员小张递出挂失申请书，让李先生办理密码挂失，在7天后，重置密码即可正常办理业务。请问该处理是否合理，办什么？