赵某将其购买的商品住宅抵押时，应当向县级以上地方人民政府规定的部门( )。

A．办理抵押登记

B．进行抵押合同备案

C．申报贷款金额

D．申报抵押评估价值

Language study is a process that you need to _____ something first and later on you can take something out. [ ]

A. put in

B. put down

C. put away

D. put through