A. It is the same as a moral.
The phrase during separate semesters helps reveal the meaning of the word concurrent which means at the same time.
The answer is c because it uses the pronoun you
I believe it is A due to "The lady made detailed plans, engaged the caterer and the orchestra well in advance" isn't exactly connect well and be hard to understand so you'd put a comma between "caterer, and".
Answer:
knowledge- all the information she has gathered and now knows
