Anne bought doughnuts for a class breakfast party. She bought 12 chocolate doughnuts, 12 coconut doughnuts, and 10 jam-filled doughnuts. How many doughnuts did Anne buy in all?
Choose the correct choice from the following
A) 25  B) 34  C) 39  D) 21  E) 11

Rationale: "add the numbers of doughnuts . 12 + 12 + 10 = 34 . answer is b ."
Answer: B