Answer Happy

42. What is the function of the comma in the sentence
below?
"Having rid themselves of their former rulers,
the people now disagreed on the new leadership."
(A) To separate a substantive noun clause or relative
phrase
from the rest of the sentence.
(B) To separate a preposition from the rest of the
sentence.
(C) To separate a long introductory phrase or
subordinate
clause from the rest of the sentence.
(D) To separate a long explanatory verb from the rest of
the sentence.