Hi!! Is this a question or just a statement? Sorry, I can answer it in the comments if it's a question but I don't really know if it is !! sorry :D
The answer of your question is C
Answer:
In the 1965 classical movie <em>The Sound of Music, </em>52-year old actor Christopher Orme Plummer was 36 years old when he starred in said movie.
I believe the answer is a memo.