John Dawson Has Been Sued by Ralph Kirkwood for Breach

Multiple Choice

John Dawson has been sued by Ralph Kirkwood for breach of contract.  John recalls several e-mail exchanges he had with Ralph about the contract in which Ralph indicated he did not want to proceed with the contract.  Unfortunately, John has deleted the e-mails.  Which of the following statements is true?

A) John can testify about the e-mails, but he is out of luck in terms of submitting them as evidence.
B) John can obtain the e-mails from Ralph or Ralph's ISP through discovery.
C) John cannot obtain the e-mails without Ralph's consent.
D) E-mails are generally not admissible as evidence.