A farmer owns a triangular field with a perimeter of \( 7 a+5 b-4 \). Which of the following could be side lengths of the field? Select three that apply.
A. \( 7 a, 10 b-8 \) and \( -5 b+4 \)
B. \( 4 a+6, a-10 \) and \( 3 a+5 b \)
C. \( 3 a+5, a+5 b \), and \( 3 a-1 \)
D. \( 2 a+5,4 b+1 \) and \( 3-7 \)
E. \( a, 3 a \), and \( 3 a+5 b-4 \)
F. \( 6 a, a+2 b \), and \( 3 b-4 \)