Kate __________ the hills __________ when she was young.

A．preferred to climb; rather than exercise

B．prefers climbing; to exercising

C．preferred to climb; to exercise

D．preferred climbing; to exercising

期货公司从事金融期货结算业务，应当经（）批准，取得金融期货结算业务资格。

A.中国证监会

B.中国期货业协会

C.期货交易所

D.中国证券登记结算有限公司