Chang' e-2 was launched successfully on Oct l, 2010  _____ the hard work of scientific and

technological workers in Aeronautics.    [ ]

A. in spite of                    

B. due to    

C. along with                      

D. rather than

表达式Right("Beijing",4)的值是( )。

A．Beij

B．jing

C．eiji

D．ijin