1.The correct answer is C
Choice (C) is correct. It avoids the error of the original by replacing “them” with “whom” and by using an appropriate verb form, the singular “was,” to agree with the singular “neither.”
2.The correct answer is C
Choice (C) is correct. It avoids the sentence fragment error of the original by providing a main verb, “was,” for the subject of the sentence, “the Brooklyn Bridge.”
3.The correct answer is E
Choice (E) is correct. It avoids the error of the original by placing the appropriate subject (“Barbara Jordan”) immediately after the modifying phrase (“After serving two terms in the Texas State Senate”).
4.The correct answer is D
Choice (D) is correct. It avoids the comma splice error of the original by providing the appropriate modifying phrase “which feeds on the leaves of the mulberry tree.”
5.The correct answer is D
Correcting the error in this sentence requires moving the information about the heliograph closer to "instruments," which is the material it relates to. Only choice (D) accomplishes this without introducing an error in subject-verb agreement, as in (C), or producing a sentence fragment, as in (E). The correct sentence reads: Many of the instruments used in early operations of the United States Army Signal Corps, and in particular the heliograph, were adaptations of equipment used by the Plains Indians.
6.The correct answer is B
Choice (B) is correct. It avoids the subject-verb agreement error of the original by using the singular verb “sharpens” to agree with the singular subject “Listening.”
7.The correct answer is D
Choice (D) is correct. It avoids the awkwardness and wordiness of the original by using the idiomatic phrase “dominated by information rather than industry” to characterize the “new era” discussed in the sentence