Select and write the correct answer from...

Select and write the correct answer from the given alternatives in each of the following: If `i = sqrt(-1)` and n is a positive integer, then `i^n + i^(n+1) + i^(n+2) + i^(n+3) =`

A

a) 1

B

b) i

C

c) `i^n`

D

d) 0

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