What character, when used at the beginning of the constructor name in a class, makes the class variables have a scope limited to the function? * (an asterisk)

# (a pound sign)

$ (a dollar sign)

_ (an underscore)

Ingrid started speaking about her slide presentation. when she clicked to th"third slide, which had just a picture of an elephant, she forgot what she wassupposed to talk about. what could ingrid do to avoid this situation in thefuture? oa. print handouts for her audience.ob. add presenter's notes to each slide.oc. add a video to each slide.od. save her slide presentation to a flash drive