A surgeon has to perform complex brain surgery on a patient. How could she practice her fine motor skills prior to the surgery?

$$ A$.$

B$.$ Using a headset that displays $3-$D holograms to simulate an operating room

C$.$ Using a standard gaming console connected to the Internet

D$.$ Using augmented reality on a smartphone to identify surgical instruments

What facilitates the bundling of video. audio, codec, and subtitles into a single package?

Selert nne.