If $ab = 0$,write the contrapositive of the statement $(a = 0 \text{ or } b = 0)$.
- AIf $(a \neq 0 \text{ or } b \neq 0)$,then $ab \neq 0$
- BIf $ab \neq 0$,then $(a \neq 0 \text{ or } b \neq 0)$
- CIf $(a \neq 0 \text{ and } b \neq 0)$,then $ab \neq 0$
- DIf $(a = 0 \text{ and } b = 0)$,then $ab \neq 0$
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