—Where is the bookstore?

—Take the elevator _____ the second floor and turn left. And the bookstore is _____ the furniture store

     and the drugstore.           [ ]

A. at, next to                

B. at, between

C. to, between                

D. to, next to           

红花( )

A．主含挥发油
B．主含生物碱类成分
C．主含黄酮类成分
D．主含苷类成分
E．主含鞣质类成分