As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in th

A.mv /home/operator .

B. mv /home/operator/* .

C. mv /home/operator ../..

D. mv /home/operator/all ../home/operator

A.A operator ++(int);

B.A operator ++();

C.A operator ++(0);

D.A operator ++(A,int);

A.Snmp-server community operator.

B.Snmp-server operator community.

C.Snmp-server community operator rw.

D.Snmp-server operator community rw

A.mv/home/operator

B.mv/home/operator/*

C.mv/home/operator../..

D.mv/home/operator/all../home/operator

A.myclass operator*(double,double);

B.myclass operator*(double,myclass);

C.myclass operator*(myclass,double);

D.myclass operator*(myclass , myclass);

A.Vector operator *();

B.Vector operator *(Vector);

C.int operator *(Vector);

D.Vector operator *(Vector, Vector);

A.operator==(b)

B.operator==(a)

C.operator==(a,b)

D.operator==(b,a)

A.operator ++()

B.operator ++(a)

C.operator ++(a,1)

D.operator ++(1,a)

A.ostream& A::operator＜＜(ostream& out, A& a);

B.A A::operator＜＜(ostream& out, A& a);

C.friend ostream& operator＜＜(ostream& out, A& a);

D.friend A operator＜＜(ostream& out, A& a);