While collaborating on the physics project, Albert Einstein wrote to his colleague, Michele Besso, that _________ had discovered a flaw in the equation.
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writingThe underlined portion makes the paragraph ambiguous. Replace it with the choice that best reduces that ambiguity.
A
he
B
the physicist
C
one
D
he himself
Correct Answer: D
Choice D is the best answer. The intensive pronoun "he himself" emphasizes that Einstein is the subject.
Choice A is incorrect because "he" is ambiguous. Choice B is incorrect because "the physicist" could refer to either. Choice C is incorrect because "one" is vague.