A test consists of two sections. The first section contains 40 questions and the second section contains 80 questions. If a student correctly answered 70 percent of all the questions in the test and correctly answered 60 percent of the questions in the second section, what percent of the questions did the student correctly answer in the first section?
A. 65%
B. 70%
C. 75%
D. 80%
E. 90%
A. 65%
B. 70%
C. 75%
D. 80%
E. 90%