2. Regarding phantom images, criteria for the number of objects to pass the ACR Mammography Accreditation is a minimum of

A) 4 fibers, 3 speck groups, and 3 masses.
B) 3 fibers, 3 speck groups, and 3 masses.
C) 4 fibers, 2 speck groups, and 2 masses.
D) 4 fibers, 4 speck groups, and 4 masses.