What are the two options provided by Cdma2000 1xEV?

• A. Cdma2000 1xRTT. Cdma2000 3xRTT
• B. Cdma2000 1xEV-DO, Cdma2000 1xEV-DV
• C. Cdma2000 1xEV-DT, Cdma2000 1xEV-DO
• D. Cdma2000 1xRTT, Cdma2000 1xEV-DV