Which of the following statements about permitted communications is incorrect? I. Permitted communication must not be made in the course of a personal visit II.The telephone conversation may be a permitted communication III. An interactive conversation is considered an unauthorized communication IV.If the act falls within the scope of permitted communication, it must not be an unsolicited visit
选项：

A:I，II，IV
B:II，III，IV
C:I，III
D:III，IV