In the process of chaining, secondary reinforcers develop which two functions?

A) They reinforce the response that follows them/they act as an SD for the previous response.
B) They reinforce the response that preceded them/they act as an SD for the next response.
C) they reinforce responses that follow them/they act as an SD for the next response.
D) they extinguish the response that preceded them/they act as an SD for the preceding response.

Answer: B