Answer:
Where's the excerpt, there's many question like these so I need some context to answer this question.
“The author only presents one side of the issue, and this means it is not a valid argument”
It is not a valid argument because he didn’t include a rebuttal. In every argument you mention why the other side could be right, but then backpedal explaining why it isn’t.
Answer:
I believe your correct, C
Explanation:
she saw the trunks and should have felt something
Answer: Was breakfast prepared by your mother?
Explanation: While in the active voice the doer of an action comes before the verb, in the passive voice the doer comes after the verb and it usually ends with the use of the word "by". In this passive voice, "was breakfast prepared by your mother", the verbs "was prepared" come before the doer "mother" and the passive voice uses the word "by".