Question

When taking a machine-scored test, it is important NOT to __________.

A) make any stray marks on the Scantron form fill in the bubble completely
B) make sure the number on the answer sheet corresponds to the number of the test item
C) check your answers against the scoring key when your test is returned

Answer 1

A :make any stray marks on the Scantron form fill in the bubble completely

Step-by-step explanation:

Scantron form are read by machines using image recognition techniques for scoring of exam.Stray marks on the sheet can misguide the and trick it to mark question wrong.There fore one should abstain from making any stray marks on the sheet.