Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Price elasticity of demand for a good will most likely be greater if:
Option A:there are no substitutes for the good.
Option B:consumers consider the good as discretionary.
Option C:consumers spend a small portion of their budget on the good.

Answer: B