In this series, which number comes next?
5, 10, 6, 11, 7, 12, 8, 13,______
A. 12
B. 11
C. 10
D. 9
A. 12
B. 11
C. 10
D. 9
A. 4
B. 5
C. 5.5
D. 6
A. Rational number
C. Whole numberD. Neutral number
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