Write a question about the following article.

Well , It left this white spot on the screen . I thought it was nt never going to go away . Then eventually it went away and just left a speck of white on the screen .

Question:
If not a chemical , what is the technological diagnosis of the spot ?
Choices:
A). Screen tearing;
B). None of the above choices .;
C). Multi - sampling error;
D). Dead pixel;