What is the missing number in the series?
4,9,20,43,90,?	Options
A) 175	B) 185	C) 195	D) 205	E) 215
4*2+1= 
<gadget id="calculator">4*2+1</gadget>
<output>9</output>
9   9*2+2= 
<gadget id="calculator">9*2+2</gadget>
<output>20</output>
20   20*2+3= 
<gadget id="calculator">20*2+3</gadget>
<output>43</output>
43   43*2+4= 
<gadget id="calculator">43*2+4</gadget>
<output>90</output>
90   similarly  90*2+5= 
<gadget id="calculator"> 90*2+5</gadget>
<output>185</output>
185   ANSWER:185
<result>B</result>
What is the missing number in the series?
4,9,20,43,90,?