问题：
As we have known from the map of the world, this is ______.
A．twice as large an island as that
B．twice as larger as that island
C．as twice as that one
D．twice as a large island as that
As we have known from the map of the world, this is ______.
| A．twice as large an island as that | B．twice as larger as that island |
| C．as twice as that one | D．twice as a large island as that |
参考答案：