单项选择题

·You will hear part of a conversation among an interviewer, John Chambers and Carly Fiorina, CEOs of two companies. ·For each question 23—30, mark one letter A, B or C for the correct answer. ·You will hear the recording twice. Which is not the possible percent age of the e-mails and voice mails that are very supportive of the CEOs when the CEOs are meeting with very difficult problems

A. 70
B. 96
C. 97