In an ${A^{+}}{B^{-}}$ ionic compound, the radii of ${A^{+}}$ and ${B^{-}}$ ions are $180 \ pm$ and $187 \ pm$ respectively. The crystal structure of this compound will be:
- A$NaCl$ type
- B$CsCl$ type
- C$ZnS$ type
- DSimilar to diamond
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