Which of the Following Statements A), B) or C) Is

Which of the following statements a) , b) or c) is false?

A) A format string may contain multiple placeholders, in which case the format method's arguments correspond to the placeholders from left to right: '{} {}'.format('Amanda', 'Cyan')
B) The format string can reference specific arguments by their position in the format method's argument list, starting with position 0, as in: '{0} {0} {1}'.format('Happy', 'Birthday')
You can reference each argument as often as you like and in any order.
C) You can reference keyword arguments by their keys in the placeholders, as in: '{first} {last}'.format(first='Amanda', last='Gray')
'{last} {first}'.format(first='Amanda', last='Gray')
D) All of the above statements are true.