单项选择题
There are a number of phrases built on the word "put", among which is the expression "putting one on". When one finds it difficult to believe what you said, he may look at you more closely and ask, "Are you putting me on" He doesn’t think you are serious. Perhaps, you are joking with him, laughing at him, trying to test his reaction. People who try to put you on are more often just joking, having some pleasant friendly fun. There are people who like to play jokes on friends, to put them on in strange ways, some funny, some not. This is especially true on April 1 st, April Fool’s Day. Year after year, a number of people let themselves be fooled by the same joke. They just forget what happened to them the year before.
One of these often repeated jokes is about a telephone call. The caller changes his voice and tells his friend a certain Mr. Tiger calls him and asks him to make a quick reply to the given number, which is the telephone number of the National Zoo. Unthinkingly, the friend quickly makes his call and asks for Mr. Tiger.
The man on the other end says, "who"
"Mr. Tiger, I don’t know his full name. Please hurry."
The man at the other end answers, "We have no Mr. Tiger here". Then he realizes it is a joke and he has heard it before. And he begins to laugh and says," Look, friend, this is the zoo. Somebody is putting you on".
"How foolish I am!" But he thinks about it and can’t help having a good laugh over it.
A．People like playing jokes on others on April 1st,
B．The popular joke is about a phone call on April 1st.
C．The man who is joked on is a fool.
D．Some of the jokes are funny, some are not.