The number of permutations of n different objects taken r at a time, where repetition is allowed is _______________

The number of permutations of n different objects taken r at a time,

1.	The number of permutations of n different objects taken r at a time, where repetition is allowed is _______________
A.	n!
B.	r!
C.	nPr
D.	nr
Answer» E.