C. They were trying to use what vision they had instead of utilizing their
other senses.
Explanation:
According to the author of "The Neglected Senses," the students who were slightly sighted moved more cautiously than those who were
completely blind because they were trying to use what vision they had instead of utilizing their other senses.
Based on the book, "The Neglected Senses", the author talks about blind and partially blind people and how the partially blind were more cautious in their movement because they tried to use what was left of their eyesight as much as they could.
