单项选择题
Passage ThreeQuestions 33 to 36 are based on the passage you have just heard.
A．There was a bomb scare. B．There was a terrorist attack. C．A fire alarm was set off by mistake. D．50 pounds of explosives were found.
A．the traditions and customs of the community B．the safety conditions of their neighborhood C．their parents’ psychological makeup D．their maturity and personal qualities