Isaac Newton formulated the laws of motion and universal gravitation; _________ he developed calculus to help explain the movements of celestial bodies.
3
writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
additionally,
B
however
C
unless,
D
even though,
Correct Answer: A
Choice A is the best answer. "Additionally" signals that Newton did something else in addition to his other achievements.
Choice B is incorrect because "however" implies contrast. Choice C is incorrect because "unless" implies a condition. Choice D is incorrect because "even though" implies concession.