单选题

Mr Brown lived in a house less than two miles away from his office He was able to drive home every day for lunch One day when he drove home in the middle of the day, he found that many cars were parked on the road outside his house and there was no room for his own car He had to drive two hundred metres more before he could find a place to park his car Then he had to walk back home. This made him very angry.

Then he set up a board in the garden facing the road It had two words "No Parking" on it, but nobody seemed to notice it .If it was a blue board with the words "Police Notice: No Parking", no car would be parked in front of his house .So, Mrs Brown suggested that he make one

like the police notice .Mr Brown said he was not the police and couldn't use the word "police". But Mr Brown decided he must find a way out and started thinking hard.

Several days passed .One evening he showed his wife a new blue board with the words "Polite Notice No Parking" on it "OhI!" Mrs Brown said "You told me you weren't going to use the word 'pollice, but this is just like a police notice ."Is it?" Mr Brown asked Look again."Mrs Brown started to laugh. You are really clever."

38. "No Parking" on the board means_____