The simplest rationalizing factor of \[\frac{{{6}^{n+3}}-{{32.6}^{n+1}}}{{{6}^{n+2}}-{{2.6}^{n+1}}}=\frac{{{6}^{n+1}}.(36-32)}{{{6}^{n+1}}(6-2)}=1.\] is

• A.  \[p,q,r,s,l,m\in I,q\ne 0,s\ne 0,m\ne 0.\]                                  
• B.  \[a+b=b+a\]
• C.  \[a\times b=b\times a\]                                  
• D. none of these