单选题Given: Which code, inserted at line 14, allows the Sprite class to compile?（）A Direction d = NORTH;B Nav.Direction d = NORTH;C Direction d = Direction.NORTH;D Nav.Direction d = Nav.Direction.NORTH;

A.int foo() { /* more code here */ }

B.void foo() { /* more code here */ }

C.public void foo() { /* more code here */ }

D.private void foo() { /* more code here */ }

E.protected void foo() { /* more code here */ }

A.Point p = new Point();

B.Line.Point p = new Line.Point();

C.The Point class cannot be instatiated at line 15.

D.Line l = new Line() ; l.Point p = new l.Point();

A.DirectionDirection=EAST；

B.Directiondirection=Direction.WEST；

C.inta-Direction.NORTH；

D.Directiondirection=2；

A.df = new DateFormat();

B.df = Date.getFormat();

C.df = date.getFormat();

D.df = DateFormat.getFormat();

E.df = DateFormat.getInstance();

A.The application will crash.

B.The code on line 29 will be executed.

C.The code on line 5 of class A will execute.

D.The code on line 5 of class B will execute.

E.The exception will be propagated back to line 27.

A.Direction d = NORTH;

B.Nav.Direction d = NORTH;

C.Direction d = Direction.NORTH;

D.Nav.Direction d = Nav.Direction.NORTH;

A.public class MinMax<?> {

B.public class MinMax<? extends Number> {

C.public class MinMax<N extends Object> {

D.public class MinMax<N extends Number> {

E.public class MinMax<? extends Object> {

F.public class MinMax<N extends Integer> {

A.Directiond=NORTH；

B.Nav.Directiond=NORTH；

C.Directiond=Direction.NORTH；

D.Nav.Directiond=Nav.Direction.NORTH；

A.import utils.*;

B.static import utils.*;

C.import utils.Repetition.*;

D.static import utils.Repetition.*;

E.import utils.Repetition.twice();

F.import static utils.Repetition.twice;

G.static import utils.Repetition.twice;

A.Foo { public int bar() { return 1; }

B.new Foo { public int bar() { return 1; }

C.new Foo() { public int bar() { return 1; }

D.new class Foo { public int bar() { return 1; }