If the pilgrims were alive today what do you suppose they might think of rock concerts

Which of these sentences is the correct one?

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)

Write a line imitating the meter of the example (anapestic tetrameter.) and the beard/ on his chin/ was as white/ as the snow