Write the sum using summation notation, assuming the suggested pattern continues.

1 - 3 + 9 - 27 + ...

A. summation of one times three to the power of n from n equals zero to infinity
B. summation of one times three to the power of the quantity n plus one from n equals zero to infinity
C. summation of one times negative three to the power of n from n equals zero to infinity
D. summation of one times negative three to the power of the quantity n plus one from n equals zero to infinity

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