Read this message from a school principal. To all Faculty, Staff, Students, and Parents:

It is with sadness and joy that I write to inform you that Assistant Principal Amy Gaskell is leaving the Armstrong School. Amy has been named as the new principal of the King School. In her six years here, we’ve all seen how much Amy cares about our community. I’m sure that you’ll all join me in wishing her success in her new position.
Which sentence expresses an attitude of appreciation for Ms. Gaskell?
A. "Assistant Principal Amy Gaskell is leaving the Armstrong School."
B. "Amy has been named as the new principal of the King School."
C. "We’ve all seen how much Amy cares about our community."
D. "I’m sure that you’ll all join me in wishing her success in her new position."