Explanation:
Because she thought that it won't be easy for her daughter to change her habits out of the blue.
Answer:
The second one: You are, if I'm not mistaken, a good person for this experiment.
Explanation:
The first sentence, "You are, if I'm not mistaken a good person, for this experiment." does not have a comma after "mistaken", where there should be one. After "a good person", there should not be a comma.
For number 2. It’s C I believe
Can you give more information?
It will illustrate disrespect and may discourage the speaker/presenter.
