Dear Tom,
We are having a birthday party for my sister, Lily, on Saturday, May 18th, at 3 p.m. at our house. Would you like to come?
Hope to see you there!
Best,
Sarah
What is the purpose of this e-mail?
A) To invite Tom to a graduation ceremony. B) To inform Tom about a new house. C) To invite Tom to a birthday party. D) To ask Tom for help with a party.