[单项选择]以各种大型机器设备的安装工程项目在整个建筑期间因自然灾害和意外事故造成的物质损失，以及被保险人对第三者依法应承担的赔偿责任为保险标的的保险是（）
A. 安装工程保险
B. 土木工程保险
C. 船舶工程保险
D. 建筑工程保险

Britain almost more than any other country in the world must seriously face the problem of building upwards, that is to say of accommodating a considerable proportion of its population in high blocks of fiats. It is said that the Englishman objects to this type of existence, but if the case is such, he does in fact differ from the inhabitants of most countries of the world today. In the past our own blocks of flats have been associated with the lower-income groups and they have lacked the obvious provisions, such as central heating, constant hot water supply, electrically operated lifts from top to bottom, and so on, as well as such details, important notwithstanding, as easy facilities for disposal of dust and rubbish and storage places for baby carriages on the ground floor, playgrounds for children on the top of the buildings, and drying grounds for washing. It is likely that the dispute regarding flats versus individual houses will continue to rage on for a long time as fa
A. English people, like most people in other countries, dislike living in flats
B. people in most countries of the world today are not opposed to living in flats
C. people in Britain are forced to move into high blocks of flats
D. modern flats still fail to provide the necessary facilities for living