Answer:
 4)Classical music is basically polyphonic is the correct answer.
Step-by-step explanation:
Characteristics of music of classical period are:
- Music of the classical period is melodious,easy to understand and memorize.
 
- Ludwig van Beethoven, Wolfgang A. Mozart, and Joseph Haydn recognize as a master of the classical period.
 
- Classical music has a clearer feel and lighter.
 
- The classical tunes were shorter with very clear expressions.