the answer is D. Some of the world’s highest waterfalls can be found in three countries: Venezuela, South Africa, and Peru.
a colon in a sentence means the auther can end the sentence with a period if he wanted and the sentence would still be correct.
in this case the sentence could be, "Some of the world’s highest waterfalls can be found in three countries."
this still looks and sounds correct and is a fully functioning sentence.
B
Pretty sure this is right
Sorry for the last one, but the correct answer is <span>B) The parents must either deceive a man into marrying their daughter or keep her with them forever.</span>