Jackson is working on a very large project for his web-design company. one of the graphic artists is currently overseas. jackson really needs to talk to the graphic artist and find out how the images are coming along for the project. jackson should do which of the following?

a. call the graphic artist and see how the images are coming along
b. email a meeting request to the graphic artist and ask for a confirmation
c. send a business letter overseas to the artist
d. wait until the graphic artist returns and then schedule a meeting