If law and order is not preserved，_______________________________(无论是公民还是他的财产都不会安全)．

A．it was impossible to predict which’’ friendships would develop
B．in the long run, people get on better with those who are like them
C．students split up as soon as they discovered differences in attitudes
D．students immediately recognized others with similar attitudes and interests

A．The man thinks traveling by air is quite safe.
B．The woman never travels by plane.
C．Both speakers feel nervous when flying.
D．The speakers feel sad about the serious loss of life.