My pen is the same ______ my brother's, but my pencil case is different ______ his. [ ]

A. as, from

B. from, as

C. as, as

D. from, from

能使游离香豆素和香豆素苷类分离的溶剂是

A．甲醇
B．乙醇
C．沸水
D．热稀碱水
E．乙醚