【单选题】听力原文:On September 13,1956, IBM shipped the first unit of the RAMAC, in other words, Random Access Method of Accounting and Control. The RAMAC, designed in Big Blue's San Jose, Calif., research center ...
A.
The drive weighed a full ton.
B.
The IBM research center planned to make a music player.
C.
Its 24 spinning disks could store only S megabytes of information.
D.
The price for renting the RAMAC was $260,000 a year.