A child is a back -bencher and is unable to watch the black-board clearly, therefore he stands, see and sit repeatedly. It disturbs the nearby classmates, what inference will you draw with reference to the student's difficulty?
Options:
A) The child has poor eye-sight
B) The child may has defective eyes
C) The black-board may has shining effect of light
D) None of the above
Options:
A) The child has poor eye-sight
B) The child may has defective eyes
C) The black-board may has shining effect of light
D) None of the above