Virus is the simple subject because the subject is whatever is before the verb
and in this case....'is" is the verb
D.its a flashback...foreshadowing is knowing something in the future
Amplify Sound - Resonators.
Sotto Voice - Stage Whisper.
Articulators - D<span>ivide Sound into Words and Syllables.
</span>Stridency - H<span>abitually Shrill Voice Quality.
Pitch - One's Tone of Voice.
I know all of these 100%. Have a nice day. </span>