The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, __________ meant spending tens of thousands of pounds.

A．who

B．that

C．as

D．which

北极地区最大的岛屿是[ ]

A．冰岛    

B．巴芬岛    

C．新地岛    

D．格陵兰岛