單項選擇題

11. double input = 314159.26; 
12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN); 
13. String b; 
14. //insert code here 
Which code, inserted at line 14, sets the value of b to 3 14.159,26?() 

A. b = nf.parse( input);
B. b = nf.format( input);
C. b = nf.equals( input);
D. b = nf.parseObject( input);

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