Which Type of Blind Person Tends to Be Wakeful in Synchrony

Multiple Choice

Which type of blind person tends to be wakeful in synchrony with sunlight,and why?​

A) People blind as a result of cortical damage continue to synchronize to sunlight, because visual input still reaches the brain area that controls wakefulness.
B) ​People blind as a result of cortical damage continue to synchronize to sunlight, because they respond to the gravitational pull of the sun.
C) ​People blind as a result of eye damage continue to synchronize to sunlight, because they respond to light striking the skin.
D) ​People blind as a result of eye damage continue to synchronize to sunlight, because they respond to the gravitational pull of the sun.