In Pavlov's Research,a Tone Was Sounded Prior to Delivering Food

Multiple Choice

In Pavlov's research,a tone was sounded prior to delivering food to hungry dogs.After a number of trials,what did Pavlov notice?

A) The dogs salivated prior to the tone being sounded.
B) The dogs salivated to the sound of the tone alone.
C) The dogs salivated only after the food was presented.
D) The dogs began doing spontaneous tricks as soon as the tone sounded.