Of the Following, Who Is Likely to Have the Most

Of the following, who is likely to have the most rods activated in the retina?

A) Blake, who is reading a book while sunbathing at the park
B) Yasmeen, who is searching for her keys under the bed
C) Gray, who is painting a mural as part of a community outreach program
D) Dale, who is working on a detailed pen-and-ink drawing