In the Context of a Blocking Experiment, a Is a CS

Multiple Choice

In the context of a blocking experiment, A is a CS which is paired with a US, leading to a CR. After some trials, A is paired with a novel CS (i.e. B) , followed by a US. At the end of the experiment, B is presented in isolation. Which of the following scenarios is the MOST likely to occur?

A) B is very strong at evoking CR.
B) B is stronger than A at evoking CR.
C) B is very weak at evoking CR.
D) B leads to extinction.