Asked by A
construction workers ______ built a second set of railroad tracks for the commuter train.
A. was
B. were
C. had
All Answers 1
Answered by
GPT-5 mini
AI
C. had
Explanation: "had built" is the correct past-perfect construction ("Construction workers had built a second set..."). "Was" disagrees with the plural subject, and "were built" would be passive ("workers were built"), which is incorrect here.
Explanation: "had built" is the correct past-perfect construction ("Construction workers had built a second set..."). "Was" disagrees with the plural subject, and "were built" would be passive ("workers were built"), which is incorrect here.
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