I would think D and B!
Hope that helps a little
So, I'm pretty sure A/V stands for Audio-Visual Professionals. And, those are mostly required in like a large event center for managing all the audio-visual stuff.
Answer:
To masquared our emotions. To portray something that is not true
Explanation:
Dissemble according to the dictionary is the action of disguise our emotions as something that they´re something that they aren´t, dis-semble is to not show our semblant or to hide our face and simili in latin which is basically simulare in latin, or to appear something, that is the meaning of dissemble.