单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. Why did Spring sell his false autographs in England and Canada

A.There was a greater demand there than in America.
B.There was less chance of being detected there.
C.Britain was Spring’s birthplace.
D.The price were higher in England and Canada.