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.