129, 131, 133, 135 and 137.
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Do you see that ' 7 ' on the end of 127 ? That ' 7 ' is odd, so the entire number is odd. It doesn't matter how many other numbers come before the ' 7 ' or what they are.
The odd one out is 127 because it is the only prime number in the sequence. The rest of the numbers are all multiples of 10 with a difference of 10 between each consecutive number.
121 123 125 127
There are 20 odd numbers between 19 and 57
On the list of choices posted with the question, there is nothing that could be placed between two odd numbers.