You're right that volcanoes are out. We can find each of the abovementioned landforms in the USA, but about 50% of them are plains. They're specific for central USA and southern coast.
Answer: 2
I think the correct answer from the choices listed above is option B. A valley of rolling hills is an example of anticlines and synclines. Anticlines<span> are folds in which each half of the fold dips away from the crest. </span>Synclines<span> are folds in which each half of the fold dips toward the trough of the fold.</span>
The answer is the cook strait