7528:5306::4673:?  Choose the correct choice from the following answers.
A) 2351 B) 2451 C) 2551 D) 2651 E) 2751
As there is a difference of 2222. 7528-2222 = 5306. so  4673-2222= 
<gadget id="calculator"> 4673-2222</gadget>
<output>2_451</output>
2451   ANSWER:2451
<result>B</result>
7528:5306::4673:?