Before Plowing a Field, a Farmer Thought the Bare Field

Before plowing a field, a farmer thought the bare field looked weed- free. Three days after plowing and turning over the soil, he was amazed to see thousands of tiny seedlings. What kinds of seeds did the plowing help with germination?

A) large seeds that need winter in order to germinate
B) small seeds that need light in order to germinate
C) large seeds that need less water in order to germinate
D) seeds that need smoke from the tractor in order to germinate