Which one of following statement is no

Which one of following statement is not true concerning the suitable sites of the direct acting relief valve and the pilot operated relieve valve?（）

Athe direct acting relief valve is used for controlling lower flows and pressure
Bthe pilot operated relief valve is used for controlling higher flows and pressure
Cthe pilot operated relief valve is used for controlling lower flows and pressure
Dthe controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve

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