In order to( )，Article 14 replaces the old expression“inconsistencies”with“not conflict”.，

A．save cost of formalities

B．speed up examination of documents

C．1essen documentary acceptance

D．reduce instances of discrepancies

下面程序的输出结果是( )。
#define PI 3.1415
#define ARE(X) PI*x*x
main()
int r=2；
printf("%.2f"，ARE(r+1))；

A．28.26

B．28.260000

C．9.28

D．9.280000