Question

Refer to the following number series and answer the question: 5 1 2 6 3 8 6 5 3 6 5 3 2 5 6 9 5 1 7 2 How many such numbers are there in the series each of which is immediately preceded by an even number and also immediately followed by an even number?

A 3
B 5
C 4
D 2
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