C366 Just a test
The reason why Zhang Zitao and the old man said this was to relieve the old man's psychological pressure.
It was as if he was in a desperate situation and was about to escape through a bright tunnel.
At that time, a person's willpower was the greatest.
And the reason why Zhang Zitao said this to the old man was to arouse the old man's will, so that he could survive this period of time