Roland and Alfreeda enter into a written agency agreement in which Alfreeda will represent Roland as his agent to obtain acting jobs for Roland. No termination provisions are included in the written agreement. If Roland wishes to terminate his agreement with Alfreeda:

A. Roland must do so in writing because the agency agreement is in writing.

B. Roland must do so by sending the termination notice to Alfreeda by certified mail.

C. Roland must do so in person only.

D. Roland may do so by providing notice to Alfreeda in any reasonable manner.