多项选择题

A.α-D-呋喃果糖和β-D-呋喃果糖
B.α-D-吡喃葡萄糖和β-D-呋喃果糖
C.α-D-呋喃果糖和β-D-吡喃葡萄糖
D.α-D-吡喃葡萄糖和β-D-吡喃葡萄糖