What is the output of the following piece of code? a = ('check',) n = 2 for i in range(int(n)): a = (a,) print(a)

• A. Error, tuples are immutable
• B. ((‘check’,),) (((‘check’,),),).
• C. ((‘check’,)’check’,)
• D. ((‘check’,)’check’,) (((‘check’,)’check’,)’check’,)