A would be third person because of use of I, and is wrong.
B would be in second person because of the usage of You, so it is correct.
C and D are first person so they are incorrect.
Answer:
The Teacher herself ordered the pizza for our party
Explanation:
Herself is the intensive pronoun, Intensive pronouns are words like himself, ourselves, herself etc
1. If it's possible 2. If it's measurable3. If it's actually worth it
I hope this helps! :)