Conversation Two What does the man say people could do on the moon

A．They will be the first tours that get out of the earth’s orbit．
B．The number of tourists will be reduced．
C．They are less dangerous than traveling to Mars．

A．A few minutes is enough for tourists because of weightlessness．
B．The cost for the trip is acceptable to the general public．
C．The duration of the trip is expected to be increased．