Why did symphonic composition not appeal to Debussy?

A) disliked the large proportions and inflated scope of expression
B) believed the orchestra to be unsuited to the belle époque aesthetic
C) felt that process of traditional development was only of interest to musical mandarins
D) disliked the large proportions and inflated scope of expression, and felt that process of traditional development was only of interest to musical mandarins
E) believed the orchestra to be unsuited to the belle époque aesthetic, and felt that process of traditional development was only of interest to musical mandarins

D