If $f: R \rightarrow R$ is a mapping defined by $f(x)=x^{3}+5$,then $f^{-1}(x)$ is equal to
- A$(x+5)^{1/3}$
- B$(x-5)^{1/3}$
- C$(5-x)^{1/3}$
- D$5-x$
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