Which sentence is best as it is?

a. shawn stayed to watch only a football game; everybody else went out.
b. only dave will go with us; the others are busy.
c. sara drinks only water; she dislikes milk and soda.
d. leah only studied for the test; the other students forgot.

  plan: i will begin with a quotation about the importance of unity in a community. then, i will state my claim that an activity will unite our school by creating a shared vision, purpose, and direction. in the body, i will use three main points that describe the different avenues the students can take: through a variety of clubs, through a special event, or through an awareness week. i will provide evidence about other towns that have unity activities and the kinds of events that they include. pictures will illustrate my three main points in action. for the ending, i will restate the main idea in a new way and pose a question to keep the audience thinking.