Not for one moment __ the issues with level and scene changes had been fixed properly. did they think do they think have you think have they thought

resposta correta é "did they think". A frase completa seria: "Not for one moment did they think the issues with level and scene changes had been fixed properly." Isso indica que, em nenhum momento, eles pensaram que os problemas com níveis e cenas foram resolvidos corretamente.