阅读下列短文,从每题所给的 A、B、C、D 四个选项中选出最佳答案。
A
Do you love sunflowers? This article will teach you how to plant your sunflower seeds and care for them. Start it with the best temperatures: $18°\mathrm{C}-33°\mathrm{C}$.
Step 1 Germinating(使发芽) Sunflower Seeds
1. Choose one kind you like.
2. Cover the seeds with wet paper towels. Put them in plastic bags. Once the seeds germinate, plant them.
Step 2 Planting Sunflower Seeds
1. Choose a sunny place. Sunflowers grow best with six to eight hours of sunlight a day.
2. Plant the seeds in holes. Cover the seeds with soil after planting.
Step 3 Caring for Sunflower Plants
1. Water plants once a week.
2. Fertilize(施肥) a little or not at all.
3. Harvest the seeds. Sunflowers usually take 80 to 120 days to mature(成熟) and produce new seeds.
Tips:
Cover the ground with nets to protect the young plants from pests(害虫).
Support plants over 90cm with sticks.
() 1. Which temperature is the most suitable to plant sunflowers?

() 2. What should you do before planting sunflower seeds into the soil?
A. Fertilize them heavily.
B. Put them in water for two days.
C. Plant them directly into sunny soil.
D. Keep them in wet paper towels inside plastic bags.
() 3. If you plant your seeds in April, you may harvest in .
A. January
B. May
C. July
D. November
B