A musical movement is: Select one: a. The transition between cadences in a composition. b. A complete, self-contained section within a larger music composition. c. The motions that ensembles make to maintain musical interest. d. The transfer of a musical structure through unity and variety.

i think it is A

hope this helps!!

Explanation:

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.  

the style of music that was composed during the classical era was concerto grosso.