Which sentence contains faulty parallel structure? Select one of the options below as your answer A. He ate, ran, and showered before going to work. B. He purchased the blender on Friday, used it on Saturday, and broke it on Sunday. C. He exercised while I watch television. D. I knew he was telling the truth as soon as he spoke the words ...

The correct answer for the given question above would be option C. The sentence that contains a faulty parallel structure is, "He exercised while I watch television." What makes this sentence having a faulty parallel structure is the improper use of the verbs "exercised" and "watch". Since the first verb is in the past form, the next verb should also be in the past form which is "watched".