7, 10, 8, 11, 9, 12, ___
Choose the correct answer.
A) 10  B) 11  C) 12  D) 13  E) 14
10= 7+3   8 = 10-2   11= 8+3   9 = 11-2   12 =9+3   Similarly  12-2= 
<gadget id="calculator"> 12-2</gadget>
<output>10</output>
10   10NSWER:10
<result>A</result>
7, 10, 8, 11, 9, 12, ___