Important characteristics of avant gard jazz are

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With few exceptions, all characters of the Commedia dell’arte belonged to one of three categories: masters, lovers, servants.
– Masters: adults, landowners, merchants, businessmen etc.
– Most popular masters were Pantalone, Dottore, Capitano.
– Lovers: young attractive ladies, handsome effeminate men.
– Servants (zanni, pl.): typically young, most often male, witty (sometimes stupid), physical.
– Most popular and recognisable servant was Arlecchino (Harlequin).
All characters were:
– one-dimensional
– stereotypical
– caricatured
– satirical
– “stock” qualities (conventional, repeated, anticipated, unchanged)
– Commedia characters did not develop or learn from previous mistakes.
– All Commedia characters are referred to as “masks”, meaning “character type”, which includes the actual mask (if worn).
– Even unmasked characters were referred to as “masks”.

The answer is a.)