— How do you find Qingdao, Mary?

— It's a beautiful seaside city.I have________it for my next holiday.

A. decided on  

B. tried on

C. taken on  

D. carried on

证券公司应当充分了解客户情况，在客户开户时，对客户的姓名或者名称、身份的真实性进行审查。