How to get rid of a scab<br>Make sure the scab is not oozing. Before you can properly dress a wound or scab, it should be dry. If your wound is oozing blood, place some sterile non-adhering gauze on it.

Based on that paragraph can we conclude that this sentence is true?
adhesive gauze should never be used

Available options: a). Yes; b). It's impossible to say; c). No;
b).