What was the essential difference between GATT and the ITO?

What was the essential difference between GATT and the ITO?

A.Unlike GATT,the ITO would have focused on trade in services instead of trade in goods.

B.The ITO would have more member countries than GATT.

C.Unlike GATT,the ITO would be a permanent institution and would cover a much wider area than GATT.

D.The ITO would have a more effective dispute settlement system than GATT.

正确答案是C