BaCl₂ Crystallizes Such That the Ba²⁺ Ions Are in a Face-Centered

Multiple Choice

BaCl₂ crystallizes such that the Ba²⁺ ions are in a face-centered cubic arrangement and the Cl^- ions are in the holes of the lattice (fluorite structure) . How many Cl^- ions are present in one unit cell of this crystal

A) 1
B) 2
C) 4
D) 6
E) 8