Which passage shows problem-solution organization?
A. After you pass the traffic light at John street, our house is the fourth on the left.
B. Need money? Come to the job fair on April 15 to learn about opportunities in the greater Seattle area.
C. Our toothpaste is less expensive than the competitor, and it makes your teeth whiter too.
D. Pete's Ice Cream will close due to its inability to maintain a customer base in the winter months.