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
E .糖衣层→隔离层→粉衣层→有色糖衣层