单选题：About layout manager in AWT and Swing, which one below is correc

About layout manager in AWT and Swing, which one below is correct? @[B](2)

A. `FlowLayout` is the default layout manager of `Frame`.

B. `GridLayout` divides the whole space into even pieces.

C. It is not possible to specify coordinates of component regardless the effect of any layout managers.

D. Every place in a `BorderLayout` has to be fill with a component, or it will leave blank.





A.`FlowLayout` is the default layout manager of `Frame`.
B.`GridLayout` divides the whole space into even pieces.
C.It is not possible to specify coordinates of component regardless the effect of any layout managers.
D.Every place in a `BorderLayout` has to be fill with a component, or it will leave blank.


答案：B