Its probably B. its literally in the sentence <span />
That if you are speaking to someone through message or email or any written message it has no tone. You may say something with good intentions & someone may take it the wrong way.
Explanation:
If you like to listen to music while writing, choose music without words or ambient noise, for example, the sound of water. Almost every study that I looked at found that music with lyrics hindered concentration and productivity. However, one study showed that low-level ambient noise can improve creativity.
it describes the amount of discomfort he experienced so much so that he could not read his paper and his face had a disgusting expression
I dont know i am in elemantary school