Respuesta :
The subject and verb agree in the third sentence. In the first and second ones, a plural subject is paired with a singular-subject verb, and vice versa for the fourth sentence, thus not agreeing.
Answer: C Several books were placed on the shelf
Explanation:
The subject and verb agree in the third sentence. In the first and second ones, a plural subject is paired with a singular-subject verb, and vice versa for the fourth sentence, thus not agreeing. Hope I Helped :p