He didn't ask them about the zombies, but their comrade, because he thought life was more important.
Although they were soldiers and their duty was to fight against crimes and overcome crisis, they were ordinary people too. No one was willing to lose his life and life was precious.
"She's dealing with the zombies inside," said Xu Jinchen.
"She's alone? How could you leave her alone in there?" Regimental commander Liu was surprised and mad. He thought it was terribly wrong that they left a woman alone in the grave to deal with the zombies. He didn't slight women, but it wasn't right that they left a comrade alone in the battle.