What is the meaning of the word of Virtual in Virtual Choir?
A) imaginary
B) essential
C) digitally simulated

A

Explanation:Virtual Choir (VC) is an assembly of geographically dispersed singers performing choral works, led by composer Eric Whitacre. Individual singers post videos of themselves singing their parts and technicians coordinate the audio into a single performance.

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as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.