4,5,9,18,34,?
Choose the correct choice:
A) 49 B) 59 C) 48 D) 50 E) 52
5-4= 
<gadget id="calculator">5-4</gadget>
<output>1</output>
1   9-5= 
<gadget id="calculator">9-5</gadget>
<output>4</output>
4   18-9= 
<gadget id="calculator">18-9</gadget>
<output>9</output>
9   34-18= 
<gadget id="calculator">34-18</gadget>
<output>16</output>
16   so, 34+25=59   ANSWER:59
<result>B</result>
4,5,9,18,34,?