Ainda com relação às tabelas do texto, assinale a opção q...

A select fnome from funcionario where fnu not in (select fnu from funcionario a where not exists (select fnu from alocacao b where a.fnu = b.fnu)) B select fnome from funcionario where fnu in (select fnu from funcionario a where exists (select fnu from alocacao b where a.fnu = b.fnu)) C select fnome from funcionario where fnu not in (select distinct fnu from alocacao) D select fnome from funcionario where fnu in (select distinct fnu from alocacao) E select distinct a.fnome from funcionario a, alocacao b where a.fnu b.fnu