Answer:
In my opinion, it might be B and E
Explanation:
It cannot be refuted, because you're not proving anything wrong to anyone. You're only agreeing or disagreeing (B).
And it must be written with a load of facts and in a clear and understandable language (E).
Answer:
Active and passive voice.
Explanation:
First I would like to note that there is not such thing as subjunctive voice. You can say that the verb is in the subjunctive mood (no matter what the voice is).
A verb is transitive if it takes a direct object and therfore it can be used in either passive or active voice.