What part of an opera is the main melodic feature solo?

a: overture

b:ensemble

c:duet

d:prelude

e:aria

The answer would be the aria. This is written for the main character. This was initially any expressive melody, normally, however not generally, performed by a singer. The term wound up utilized solely to portray an independent piece for one voice, with or without instrumental or symphonic accompaniment, ordinarily part of a bigger work.