对欧洲气候有较大影响的洋流是（　　）

A．千岛寒流

B．北太平洋暖流

C．北大西洋暖流

D．墨西哥暖流

Just use this room for the time being, and we’ll offer you a larger one ____it becomes available.

A．as soon as

B．unless

C． as far as

D．until