If the concentration of $OH^-$ ions in the reaction, $Fe(OH)_3(S)\rightleftharpoons Fe^{3+}(aq.)+3OH^-(aq)$ is decreased by $1\frac{1}{4}$ times, then equilibrium concentration of $Fe^{3+ }$will increase by -

Question

( A ) 64 times
( B ) 4 times
( C ) 8 times
( D ) 16 times