What is the least amount of money for the tickets that machines sell

A．Sexual contact.
B．Blood transfusion.
C．By toilet seats.
D．Pregnant woman to her fetus.

A．the divisions among people results from their property.
B．a high-caliber science student graduates from a ordinary high school.
C．the small alterations should be done immediately.
D．the society’’s help to inner-city schools is inadequate.