Can somebody please help?

Which statement best explains the function of the subtitlein this text? a.it provides additional information that narrows the focusof the text.b.it draws attention to important information in the table ofcontents.c.it introduces the various sections that appear withineach chapter.d.it explains the author's primary reason for writing aboutthis topic.correct (a)

Atheater director has decided that an all-female cast will perform macbeth, which has both male and female characters. which feature of the play would change the most?

For all of those, i want the answer. me.