关于融资保函，以下说法错误的是（）。
A.依据债务合同开立
B.不依附于债务合同
C.具有独立法律效力
D.受债务合同条款改变而改变
参考答案：D
The speaker believes that a practical solution to the problem of starvation is to remove obstacles to adequate supply of food rather than to increase production of it.
A．True
B．False
