Given the following expression about TextField which use a proportional pitch font. 
	TextField t = new TextField("they are good",40);   
	 Which statement is true?() 
	A. The displayed string can use multiple fonts.
	B. The maximum number of characters in a line will be 40.
	C. The displayed width is exactly 40 characters.
	D. The user can edit the characters.
 
                            