【单选题】

{{B}}{{I}} Questions 11 to 14 are based on the following passage.At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage.{{/I}}{{/B}} Why do you think the teller gave Joe the money

A、Because he had a letter of thanks.
Because he feared that he might be killed if be refuseD、
C．Because he gave him a demand note.
D．Because he showed him a cheque payable at sight.