听力原文：M: I do think you ought to get o laptop for your business. It would do most of the routine tasks in a tenth of the time you spend on them now. Then you'd soon wonder how on earth you ever managed without one.
(21)

A.
(21)

【参考答案】

C,C

听力原文：M: I do think you ought to get o laptop for your business. It would do most of the routine tasks in a tenth of the time you spend on them now. Then you'd soon wonder how on earth you ever managed without one.(21)