C. A compound predicate has 2 parts to the predicate. In this sentence, the noun "She" does both "washed the shells and dried them in the sun" which is the compound predicate.
She was an ignorant and superstitious person
By putting it as a matter-of-fact statement (assuming everything else was action packed) there is a massive shift that creates contrast in the piece and leaves a very concise point to shock/leave the reader with.
Answer:
Hi grandma,
Hope you are doing well. I just wanted to let you know that I will be going over to spend the next holiday with you. Can't wait to see you!
Love, your granddaughter/son
Explanation: