According to the Table, Size-Exclusion (Gel-Filtration) Chromatography Could NOT Be

According to the table, size-exclusion (gel-filtration) chromatography could NOT be used to separate which protein mixture? Protein
MW
PI
A
12,500
3) 2
B
13,200
5) 7
C
13,500
10) 5
D
25,200
6) 3
E
36,900
5) 8
F
78,400
6) 1

A) proteins A, D, and F
B) proteins C, E, and F
C) proteins B, E, and F
D) proteins A, B, and C
E) All of the answers are correct.