What is the next number in the series?
1,5,9,13... Pick one:
A) 19	B) 17	C) 24	D) 25	E) 28
Adding (0,2,4,6,8,10) to the odd numbers    1+0= 
<gadget id="calculator"> 1+0</gadget>
<output>1</output>
1   3+2= 
<gadget id="calculator">3+2</gadget>
<output>5</output>
5   5+4= 
<gadget id="calculator">5+4</gadget>
<output>9</output>
9   7+6= 
<gadget id="calculator">7+6</gadget>
<output>13</output>
13   9+8= 
<gadget id="calculator">9+8</gadget>
<output>17</output>
17   answer 17
<result>B</result>
What is the next number in the series?
1,5,9,13...