What is stereognosis?

A. This refers to the ability to hear words whispered in the whisper test, which assesses hearing, not stereognosis. B. Stereognosis is the ability to identify objects through touch alone, with the eyes closed. C. This refers to graphesthesia, the ability to recognize writing on the skin, not stereognosis. D. This refers to the Rinne and Weber tests, which assess hearing function, not tactile sensation.