Questions 11 to 18 are based on the conversation you have just heard.

A．Only one out of four girls cries less often than boys.
B．Of four boys, only one cries very often.
C．Girls cry four times as often as boys.
D．Only one out of four babies doesn’t cry often.

A．Most Londoners were frightened.
B．Most Londoners became rather confused.
C．Most Londoners took Exercise Floodwall calmly.
D．Most Londoners complained about the trouble caused by Exercise Floodwall.