片剂包糖衣工序的先后顺序为( )

A.隔离层、粉衣层、糖衣层、有色糖衣层

B.隔离层、糖衣层、粉衣层、有色糖衣层

C.粉衣层、隔离层、糖衣层、有色糖衣层

D.粉衣层、糖衣层、隔离层、有色糖衣层