Addition of 102 and 112 is A. 1002 B. 1012 C. 1112 D. 1102 E. None of the above

The correct answer is $\boxed{\text{C}}$.

To add 102 and 112, we can line up the numbers by their decimal places, starting with the ones place.

102

• 112

214

The sum of 102 and 112 is 214.

Option A is incorrect because 1002 is not the sum of 102 and 112.

Option B is incorrect because 1012 is not the sum of 102 and 112.

Option D is incorrect because 1102 is not the sum of 102 and 112.

Option E is correct because 214 is the sum of 102 and 112.