Answer :
Tag questions turn a statement into a question. They are often used for checking information that we think we know is true.
Explanation:
For example: It's cold (positive), isn't it (negative)? And: It isn't cold (negative), is it (positive)?
Answer:
he finds her behavior odd
Explanation:
I think the distribution used was lottery. i'm not 100 percent sure tho, were there choices?
Sentence A has a disagreement between "were" (plural) and "no one" (singular).
Sentence B has a disagreement between "was" (singular) and "problems" (plural).
Sentence C, however, has complete agreement between the subject and verb. Therefore, the answer is C.