Answer:
The correct answer is the option C: SATB.
Explanation:
On one hand, a <em>large mixed chorus</em> is the name given, in the music area, to the group of peoplo who tends to sing together after having a lot of practises. This type of choir, the chorus, is the one that <em>includes a large group of both men and women that sings in an opera</em> mostly.
On the other hand, <em>SATB</em> is the acronym by<em> Soprano</em>, <em>Alto</em>, <em>Tenor</em> and<em> Bass</em> whose definition gives the voice types of the people that sing in the chorus and <em>normally these voice parts are the ones that are included in the chorus</em>.
