下列描述的屬于第三代移動(dòng)通信系統(tǒng)標(biāo)準(zhǔn)的有:（  ）。
Which of the following standards belong to the third generation mobile communication system? ( )
A.CDMA2000
B.UMTS WCDMA
C.TD-SCDMA
D.CDMA IS95