The author's primary purpose in writing the passage is to A. demonstrate that the individual right to privacy has been eroded by advances in computer technology B. compare the legal status of electronic mail in the public and private sectors C. draw an extended analogy between the privacy of electronic mail and the privacy of telephone conversations or face-to-face meeting D. illustrate the complexities of the privacy issues surrounding electronic mail in the workplace E. explain why the courts have not been able to rule definitely on the issue of the privacy of electronic mail