Hệ \(\left\{ \begin{array}{l}{\rm{ax + by = c}}\\{\rm{ax + by = c}}\end{array} \right.

A. \(\frac{{\rm{a}}}{{{\rm{a'}}}} = \frac{b}{{b'}}\)

B. \(\frac{{\rm{a}}}{{{\rm{a'}}}} = \frac{b}{{b'}} = \frac{c}{{c'}}\)

C. \(\frac{a}{{a'}} \ne \frac{b}{{b'}}\)

D. \(\frac{a}{{a'}} = \frac{b}{{b'}} \ne \frac{c}{{c'}}\)