Task: Question Answering
Input (English): On a certain test, if a student answers 80 to 90 percent of the questions correctly, he will receive a letter grade of B. If there are 40 questions on the test, what is the minimum number of questions the student can answer correctly to receive a grade of B?
(A)24 (B)28 (C)32 (D)33 (E)36
Output (English): C