Which of the following correctly uses subordination to combine these sentences?
A few weeks passed the dog started leaping toward squirrels again.
A. When the dog started leaping toward squirrels again, a few weeks passed. B. After a few weeks passed the dog started leaping toward squirrels again
OC. After the dog started leaping toward squirrels again, a few weeks passed. OD. A few weeks passed, but the dog started leaping toward squirrels again.