A Reason Why There Is More Competition in the Restaurant

A reason why there is more competition in the restaurant industry than in the music streaming industry is that restaurants

A) have to cater to a variety of consumer tastes while music streaming companies do not.
B) unlike music streaming companies, have to abide by government sanitation rules.
C) unlike music streaming companies, do not have significant economies of scale.
D) have more elastic demand for their product compared to music streaming companies.