Regarding the intrinsic muscles of the hand, which of the following is NOT true?

• A. the palmar and dorsal interossei are supplied by the deep branch of the median nerve
• B. the intrinsic muscles of the thumb are abductor pollicis brevis, flexor pollicis brevis, opponens pollicis , adductor pollicis, first palmar and first dorsal interossei
• C. opponens pollicis acts only on the carpometacarpal joint
• D. their motor supply is derived from segment T1 of the spinal cord
• E. the thenar muscles are supplied by the recurrent branch of the median nerve