How many notes were in the musical scale used by the ancient Chinese

A. 7

b. 5

c. 13

d. 15

A. 7

Explanation:

The three commonly used types of seven-tone scales in Chinese music are the zhengsheng (正聲) scale or the regular seven-tone scale, the xiazhi (下徵) scale or the lowered-fourth seven-tone scale and the qingyu (清羽) scale or the raised 6th seven-tone scale.

A. 7 cause dats wat he use