Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
 
Paul and Daisy are discussing life in the future. Paul: “I believe space travel will become more affordable for many people in the future.” Daisy: “______”
A.It doesn’t matter at all.                                                    
B.There’s no doubt about that.
C. It is very kind of you to say so.                              
D. I am sorry to hear that.

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