— The pet dog in your hand is very nice. Is it            ?

— Yes, but I'll give it to my friend, Lucy, as             birthday present. [ ]

A. you; her

B. yours; hers

C. yours; her

D. you; hers

代谢加快

A．维生素C
B．维生素D
C．维生素B12
D．单胺氧化酶抑制剂
E．丙戊酸钠