Historians note that the printing press _________ in the 1450s, when Johannes Gutenberg introduced movable type to Europe, revolutionizing the spread of information.
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writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
was first used
B
is first being used
C
was first used by
D
was first being used
Correct Answer: A
Choice A is the best answer. The sentence describes a historical event. The passive voice "was first used" in the simple past tense is correct.