Translate to an Equation $\mathrm{t}=21 \% \times 9$ B) $t=21 \times 9$

Translate to an equation. Do not solve.
-What percent of 21 is 9 ?

A) $\mathrm{t}=21 \% \times 9$
B) $t=21 \times 9$
C) $\mathrm{t} \times 21 \%=9$
D) $\mathrm{t} \times 21=9$