单项选择题

AcustomerreceivesaCD-RWdiskfromacomputervendor.Thecusto……

A customer receives a CD-RW disk from a computer vendor. The customer tries to read the disk in a computer with a 4X CD-ROM drive and is unable to read any information. The customer tries the CD-RW disk on a 32X CD-ROM drive and it reads correctly. What is the cause of this problem？（）

A.The 4X CD-ROM drive has dirty optics or laser and requires cleaning.
B.The 4X CD-ROM drive needs to be jumpered to support CD-RW disks.
C.The 4X CD-ROM drive does not support the multi-read specification.
D.The 4X CD-ROM is fine， but the CD-RW disk has a flaw in its format.

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