问题

Custmoer:When did your company begin to undertake the CDMA mobile phone business? CSR:China Telecom began to carry on the CDMA mobile phone business on the().
A:0t
B:1st 2008
C:Jan. 1st 2008
D:F E E.1st 2008F.0ct. 1st 2008
B:1st 2008
C:Jan. 1st 2008
D:F E E.1st 2008F.0ct. 1st 2008
正确答案是: