Weber test is best elected by -

• A. Placing the tunning fork on the mastoid process and comparing the bone conduction of the patienet
• B. Placing the tunning fork on the forehead and asking him to report in which he hears it better
• C. Placing the tunning fork on the mastoid process and comparing the bone conduction of the patienet with that of the examiner
• D. Placing the tunning fork on the vertexof the skull and determining the effect of gently occluding the auditory cannal on the threshold of low frequencies