In formal writing and communication, the sentence "Mom said she thought Maria had been treated wrongly and that she should stick up for herself." is more appropriate. Although wrong and wrongly are both adverbs, some writers consider using adverbial "wrong" as incorrect, so you might want to play it safe and use "wrongly" instead.
B) Her entry from the side underlines her devious mannerisms. I believe
I think there is a shift at “...assured him”. From reading the beginning, you would think the person is under arrest, “stay where you are”. But, the sentence goes on to say that the police officer ‘assured’ him that. He could’ve been in danger, so the officer was telling him that help was on the way, just stay put.
it is a verb and it means to disapprove in an argument
