Which of the following statements are true with regards to communication?1) When the teacher warns a student by looking at him is non-verbal communication.2) The Manager tells the clerk to complete the file by next day is a formal communication.3) When communication takes place between two persons of different levels who have no direct reporting relationships is called Lateral communication.

• A. 1, 2
• B. 1, 3
• C. 1, 2, 3
• D. 2, 3