The mangos were eaten by him
Each person explains a different story not everyone will use the same words.To what each person says it is bias,bias means different perspective,every text has bias.
C - conversations with myself. According to the works cited, Mandela was the author of this text. According to the research paper, the reference specified the author is Mandela.
I'm not sure but here's the definition of Parallel Structure. ( Using the same pattern of words to show that two or more ideas have the same level of importance). You can go with either the first or second sentence that's my opinion but I'm really not 100% sure. Sorry I couldn't been more helpful. I tried