Answer:
The sentence seems to be complete except if it is complete it needs a period to be actually completed
All of them are really bad answers but out of all b or none of the above if thats a option <span />
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.
