<span>D. at least three pieces of evidence.
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Researching is composed of various explorations in utilizing the scientific method in the process. It also, answers any scientific inquiry with the use of scientific method. Research enables and promotes the scientific community at a larger scale. Contributing and collaborating knowledge all-over the people and persons in science. </span>
The answer should be D. was, singular.
The Stage Manager overlaps past and future when he describes the Gibbs:
"Doc Gibbs died in 1930." (future) Then he says: "Mrs. Gibbs died first--long time ago, in fact." (past).
The second example is when he talks about the cornerstone they're putting in the bank so that people "a thousand years from now" can find it. He discusses the ancient Babylonians and then the people of a thousand years from the present.
What are you trying to say?
