Which of the following is appropriate behavior for communicating with a person with a disability? a. if you offer assistance, don't start the person until he or she accepts your offer. b. do not attempt to shake hands with a person who has an artificial limb. c. place your hand on the shoulder of a person in a wheelchair when you are speaking to him or her. d. if a person uses a sign language interpreter, look at the interpreter while you are talking to the person who is hearing impaired.