________ is surprising to us is that Tom, for _______ English was once boring, can speak English fluently as though he were a native speaker.

A．As; whom

B．What; whose

C．It; whose

D．What; whom

《个人贷款管理暂行办法》规定，对于借款人无法实现确定具体交易对象且金额不超过（）万元人民币的个人贷款和贷款资金用于生产经营且金额不超过（）万元人民币的个人贷款，经贷款人同意可以采取借款人自主支付方式。

A.10；30

B.30；10

C.30；50

D.50；30