How many states in the U.S.A have been threatened by snakeheads
A) Three C) Five
B) Four D) Six

A．It has a hard time getting immigrants to the city.
B．Some terrible creatures were discovered in Maryland.
C．The whole Maryland pond was poisoned.
D．Five big northern snakehead were found in Queens.

A．a lady in charge of the harbor
B．the symbol of New York City
C．the statue of liberty
D．a famous American woman