Father came home from work. Upon entering the gate, he disinfects his hands by using 70% alcohol. However, Mother was carrying a lighted candle and about to approach Father. What is the best thing to do?
A. Mother may bring a kerosene lamp instead of a candle.
B. Let her continue to approach Father with a lighted candle.
C. Tell Mother to put out the flame before going to the gate.
D. Bring more bottles of alcohol for Father.