5. Which of the following statements show the characteristics of Gregorian chant in Medieval Era?

A. Gregorian chant is monophonic which is the simplest of all musical textures and typically sung by a single singer.

B. Gregorian chant is homophonic which is the primary part is supported by one or more additional strands that flesh out the harmony.

C. Gregorian chant is polyphonic which consist of two or more simultaneous lines of independen melody

D. Gregorian chant is contrapuntal which have two or more independent melodic lines.​