Amir arranged 9 photos on a bulletin board. He put the photos in rows. Each row contains the same number of photos. How many photos could be in each row? (Giving Brainliest)

Options:
a. 1, 6 or 9 photos
b. 1, 3 or 9 photos
c. 1, 2 or 9 photos
d. 1, 3 or 6 photos