The moon is___________the earth .

A．as big as forty-nine times

B．forty-nine times bigger than

C．as big as one-third

D．one-third the size of

根据《证券公司债券管理暂行办法》，合格投资者的注册资本应在______万元以上或者经审计的净资产在______万元以上。( )

A．1000；1000
B．1000；2000
C．2000；2000
D．2000；1000