List the next three terms in the following sequence:1, 1, 2, 3, 5, 8, ...

Each term is the sum of the two terms before it. After 5 and 8, the next term is 5 + 8 = 13; then 8 + 13 = 21; then 13 + 21 = 34. So the next three terms are 13, 21, 34, choice C.

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