A new big oilfield is reported______in the west of the country.

A．to have been found

B．to be found
C．found



D．having been found

依据风险标的分类，厂房、机器设备、原材料、成品、家具等会遭受火灾、地震、爆炸等风险；船舶在航行中，可能遭受沉没、碰撞、搁浅等风险属于（）。

A.财产风险

B.人身风险

C.自然风险

D.经济风险