The city of Chengdu has grown so fast that it's at least ______ what it used to be．

A．five times the size of

B．five times the size as large as

C．five times larger

D．five limes size as

公安工作的基本方针是( )

A．坚持专门机关与广大群众相结合

B．坚持打击与防范相结合

C．坚持严肃与谨慎相结合

D．坚持惩办与宽大相结合