Choice A is the correct answer.
The 's' and apostrophe after the word singer lets the reader know that something is belonging to the group of singers. The apostrophe will always go after the 's' if we are talking about a group of individuals.
When the choral group began, the singers' voices carried throughout the auditorium.
Answer:
The answer is B
Explanation:
I got it right on the quiz
A. Fourteen lines with ten syllables, but varying