Take away whatever        you.   [ ]

A. belong to    

B. belongs to   

C. belonging to    

D. is belonged to

将3.24 g淀粉与3.42 g蔗糖的混合物加水后，在一定条件下充分水解，所得溶液中葡萄糖与果糖的质量之比为[ ]

A．1:1    

B．3:1    

C．4:1    

D．1:5