Choose your answer from:
a). It is beneficial to keep an eye on your growing time to get a sense of when the predicted frost date is. Seed seeds should start to sprout around 6-12 weeks before the last frost date for best results.
b). Plant in early fall when the weather is cool and humid. Most seeds will germinate naturally 6-12 weeks ahead of the last frost date.
c). If you live in an area that tends to experience new growth, you could start your seeds after that date. In warmer climates, plan to start your seeds 3-4 weeks before the last frost date for your garden.
d). Read the packaging on the seeds you are planting to see if additional steps, such as soaking or chilling, need to be taken before they are planted. Purchase a cell tray with drains for an easy option.Choose from options above and answer: What most naturally follows?

How to plant seeds in a basic seed tray
Plan to start planting seeds between 6-12 weeks before the last frost date.
Actual growing time for seeds will depend on what plants you've decided to grow. Planning around the last frost date for your area will help you determine when to start germinating the seeds.
Answer:
d).