Translate the Verbal Phrase into a Mathematical Expression $\frac{10}{21 x}(x \neq 0)$

Multiple Choice

Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.
-The quotient of 21 and ten times a nonzero number

A) $\frac{10}{21 x}(x \neq 0)$

B) $\frac{21}{10 x}(x=0)$

C) $\frac{21}{10 x}(x \neq 0)$

D) $\frac{21}{10+x}(x \neq 0)$