閱讀下列FORTRAN程序:  
	CHARACTER*10 A, B*6  
	DO 10 I=1,10  
	A(I:I)=' '  
	10 COUNTINUE  
	A(1:5)='ABCDE'  
	B='FGHIJK'  
	A(4:9)=B  
	WRITE(*,100) A  
	100 FORMAT(1X,A)  
	END  
	程序運行結果是()
	A. ABCDEFGHIJ
	B. ABCDEGHIJK
	C. ABCFGHIJK
	D. BCDEFGHIJK
 
                            