Questions 9 to 11 are based on the passage you have just heard.-|||-9.A)They had declined for almost two decades. C)They had declined for five years.-|||-B)They had risen for almost two decades. __ D)They had risen for five years.-|||-10.A)It did not examine teens'use of smartphones.-|||-B)It involves many other possible influencing fact-|||-C)It proves the serious influence of social media on teen suicide.-|||-D)It provides weak evidence for social media influencing teen suicide.-|||-11.A)They are the main factors influencing teen suicide.-|||-B)They are being unfairly criticized-|||-C)Kids should be forbidden to use them.-|||-D)Kids'use of them should be reasonably limited.