220, 218, 214, 208, 200, 190, ?
Choose the correct choice from the following options:
A) 176 B) 174 C) 178 D) 180 E) 172
220   220 - 2= 
<gadget id="calculator">220 - 2</gadget>
<output>218</output>
218   218 - 4= 
<gadget id="calculator">218 - 4</gadget>
<output>214</output>
214   214 - 6= 
<gadget id="calculator">214 - 6</gadget>
<output>208</output>
208   208 - 8= 
<gadget id="calculator">208 - 8</gadget>
<output>200</output>
200   200 - 10= 
<gadget id="calculator">200 - 10</gadget>
<output>190</output>
190   190 - 12= 
<gadget id="calculator">190 - 12</gadget>
<output>178</output>
178   Answer is 178.
<result>C</result>
220, 218, 214, 208, 200, 190, ?