10,12,15,20,27,?  Choose the correct choice from the following.
A) 34	B) 35	C) 36	D) 37	E) 38
each number wil be obtained by adding the prime no. to the previous..   10+2= 
<gadget id="calculator">10+2</gadget>
<output>12</output>
12   12+3= 
<gadget id="calculator">12+3</gadget>
<output>15</output>
15   15+5= 
<gadget id="calculator">15+5</gadget>
<output>20</output>
20   20+7= 
<gadget id="calculator">20+7</gadget>
<output>27</output>
27   27+11= 
<gadget id="calculator">27+11</gadget>
<output>38</output>
38   ANSW38R:38
<result>E</result>
10,12,15,20,27,?