If $Q = \left\{ {x:x = {1 \over y},\,{\rm{where \,\,}}y \in N} \right\}$, then
If $Q = \left\{ {x:x = {1 \over y},\,{\rm{where \,\,}}y \in N} \right\}$, then
- A
$0 \in Q$
- B
$1 \in Q$
- C
$2 \in Q$
- D
${2 \over 3} \in Q$
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