Which of the following is not true

Which of the following is not true according to the passage?（2.0分）A、In a similar earthquake in America in 1988 about 25, 000 people died. B、The damage caused by the earth-quake was severe. C、Civil engineers improvement on quake-resistant buildings is very successful. D、The damage would probably be severe if the earthquake struck at another time. (2) [单选题] What is not the reason why the death toll is comparatively low?（2.0分）A、Large numbers of Los Angeles residents had gone for a holiday. B、Improvements had been made in the construction of buildings and high-ways. C、Construction codes in the city have been changed D、New computers had been installed in the buildings. (3) [单选题] What are smart buildings?（2.0分）A、buildings that have brains. B、building that can react to earthquakes smartly. C、buildings that are high and nice. D、buildings that can tip forward. (4) [单选题] The function of the computer mentioned in the passage is to（2.0分）A、direct the building to move in the direction of the earthquake. B、predict the coming of an earthquake with accuracy. C、counterbalance an earthquake’s action on the building. D、force the building to keep motionless. (5) [单选题] Which is not true about engineers improvement?（2.0分）A、They recently designed buildings that would be installed with computers. B、The new smart structure is likely to be the most efficient design. C、Engineers only work on boards and haven’t put theory into practice D、Engineers used to improve on quake-resistant materials.