whiCh oF thE Following is truE ACCorDing to thE pAssAgEA．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.