Select the sentence that uses passive voice. A.) The teeth were examined by the dentist. B.)Scott brushed his teeth before his dental appointment. C.)Dr. Vada listens to her patients carefully. D.) New technology allows hygienists to clean teeth quickly and gently.

A.) The teeth were examined by the dentist.

Explanation:

When using Passive voice, the focus of the sentence becomes the person or thing that is receiving attention not the person or thing that is giving the attention. For instance, The phone is being charged by the salesperson. The salesperson is not the subject or focus of the sentence but rather the phone is.

In option A, the Teeth are the ones receiving the attention and yet are the focus of the sentence as well. This makes this sentence a Passive sentence.

a

explanation:

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."