3. Bea is the president in her class. She plans to have a video conference with her co-officers. What practice will she consider in an online conference? A. Doesn't care to respond to the queries of her co-officers B. Be arrogant when talking to her co-officer C. In case the conference is formal, you can be in any place D. Switch off audio or video conferencing equipment when not in use 4.During the conference, which one will not be considered? A. mute the microphone when not speaking B. speak clearly C. doesn't have preparation for the conference D. avoid excessive movements during the conference 5.It offers video call with up to 10 friends aside from other exciting features. A. Hangouts C. OOVOO B. Skype D. video conference ​