The sentence in which the underlined verb is used correctly in the subjunctive mood is the one that reads "if I were you, I would try out for the lead in the school play".
In the English language, the subjunctive mood is used to talk about conditional or imaginary situations. In this case, it has been used to explore a condition which is contrary to fact, that is, the person speaking is not the addressee. That is why the sentence reads "if i were you". It is a piece of advise.
There are certainly both pros and cons to using email messages.
Pros:
Email travels instantaneously, no need to wait for reply
Email can reach anyone with internet, regardless of location
Cons:
Users with email can spam one another by sending messages constantly
User must have access to the internet to receive email
Basically, email is useful because anyone with internet can send messages to anyone else who has internet, but both users must, of course, first gain access to the internet.
The correct answer is C. However, not everyone agrees.
Explanation
Evidence is a term that refers to something that indicates a manifest certainty that is undeniable and cannot be doubted. In general, to argue a position it is necessary to rely on credible or reliable evidence to provide accurate information to the reader. According to the above, in the fragment of the question the sentence that provides credible and true evidence is "However, not everyone agrees" because this sentence is supported by credible evidence such as the study carried out by the Journal of the American Medical Association in 2014, in which it "found that violent video game playing had a link with increased, long-term, aggressive behavior." Therefore, the correct answer is C. However, not everyone agrees.