What does the word pioneering mean?
Read these sentences from the passage.
“Lovelace’s pioneering work in mathematics and computer programming transformed the world. Without her contributions or her chance encounter with Charles Babbage—who knows? We might still be doing extremely complex mathematical calculations with a pencil and paper!”
What does the word pioneering mean as it is used in the sentence?
Choose 1 answer:
(Choice A)
clarifying
(Choice B)
exploring
(Choice C)
groundbreaking
(Choice D)
renewing