1. Many other schools have recycling programs. 2. The students in those schools collect used paper and empty drink containers and send them to recycling centers. 3. Recycling centers use the old paper to make new paper. 4. They use the old containers to make new containers and other products. Choose the most logical location for the following sentence:

We need a recycling program like this at our school.
A) after sentence 2
B) after sentence 3
C) after sentence 4
D) before sentence 1