A．ask him some questions about his family name
B．check whether the driver kept the traffic rules in mind
C．find out the cause that made the driver broke the traffic rules
D．make sure if the driver would cheat him

A．Because Mr. Dear lived in Wisconsin.
B．When Mr. Dear got married, he felt very happy, then he changed his name.
C．Because the name sounds strange.
D．Because Mr. Darling Dear was a citizen in Wisconsin.