If $n_{e}$ and $n_{h}$ are the number of electrons and number of holes respectively in a semiconductor heavily doped with phosphorus,then:
- A$n_{e} \gg n_{h}$
- B$n_{e} \ll n_{h}$
- C$n_{e} \leqslant n_{h}$
- D$n_{e} = n_{h}$
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