Which of the following might be an occasion for a speech about the potential effects of watching too much television? select all that apply.

a.) a seminar on the effects of television and computer viewing on the eyes

b.) a news segment announcing the results of a new study that says americans are watching more and more television

c.) a newspaper article about the new line-up of sitcoms and dramas coming out for the fall

d.) a commercial for a plasma screen television or an upgrade from cable to satelite
none of the above