Modern China is experiencing a completely new period ________ respect for science and creativity

has become the guiding principle of society. [ ]

A. of which  

B. where

C. in which  

D. that

经营下列哪项业务时，不需事先申请特种烟草专卖经营企业许可证？（）

A.烟草专卖品进出口业务

B.进口烟机零配件

C.外国烟草制品寄售业务

D.在海关监管区域经营免税的外国烟草制品购销业务