Of all the proposals submitted to the board, ______ was the only one that included a comprehensive cost analysis.
Which choice completes the text so that it conforms to the conventions of Standard English?
- Acheck_circle
theirs
- B
their's
- C
theres
- D
there's
Explanation
"Theirs" is the possessive pronoun (no apostrophe), referring to a proposal belonging to a particular group. "There's" means "there is."