For the answer to the question above, I believe it is various forms of be.
The most common linking verbs are, am, is, are, was, were, being, and been, so the correct answer is the third choice among the given questions.
In what way ? And what king ?
The long, winding corridor is illuminated with oblong skylights
The answer would be
C.Foreign policy on immigration, in regard to how many people can live in a country and still preserve its resources
to remind the people of the American Indians suffering that they endured on the trail of tears
