Questions 22 to 25 are based on the conversation you have just heard.

A．She communicated her ideas very effectively.
B．She made excellent political achievements.
C．She had a husband severely injured in an incident.
D．She had different political opinions.

A．it is acceptable for unsigned information hanging in cyberspace
B．it is necessary for unsigned information signed in cyberspace
C．it is reasonable for students to take information unsigned
D．it is advisable for anyone to take information unsigned freely