A、The man has seen the fungi for three times. B、The man is not careful enough. C、The man has been watching it for three days. D、

M: I think I may need to wear glasses. But I’m not entirely sure.
W: I’ll be able to tell once you’ve looked at this vision-chart.
Q: What is the woman’s profession?

W: If you had been more careful, you would have found fungi had gone out of that culture.
M: But I watched it three times a day.
Q: What is true about the man?