Read the following context and choose the best option to answer the question.
Context: 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 ?
Options: 
A. Screen tearing
B. None of the above choices .
C. Multi - sampling error
D. Dead pixel


D