根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
How to Grow Plants in the Classroom
Growing plants in the classroom is an excellent way to get students excited about science!
Start with seeds (种子) in the classroom.They can do this by putting seeds or beans in wet paper towels and then in a clear plastic bag. The seeds should begin coming out in a few days, which can give the students an idea of what is happening underground when plants begin to grow.
Continue with seeds in the classroom. At the same time as the seeds are beginning to come out, plant the same type of seeds in soil.They can also predict（预测）how long it will be before the seeds come out and are seen above the soil.
A quick Internet search should let you know which plants are native to your area. This can connect the plant-growing in the classroom with natural history and other social studies lessons. Also, after growing the plants in your classroom, you can take the students on field trips to see where the plants grow naturally.
Explore the needs of plants.You can know what they actually need by growing plants in the classroom and making observations along the way.
In all, growing plants in the classroom is sure to be an exciting science lesson.They can train their creativity with their own gardens!
A. What do plants need to stay alive?
B. Grow native plants in your classroom.
C. Try to start an outdoor garden in your school.
D. Carrots and tomatoes can be grown easily.
E. Students of all ages learn more knowledge from growing things.
F. Students can learn about what exactly is happening under the soil.
G. For very young children, it is exciting just to see the seeds come out.