The rule of seven states that ___.
a) There should be no more than seven lines of text on a slide and no more than seven words in a line of text
b) There should be no more than seven lines of text on a slide and no more than seven words in a line of text
c) There should be no more than seven lines of text on a slide and no more than seven animations on a slide
d) There should be no more than seven lines of text on a slide and no more than seven animations on a slide