Which setting detail best reveals the mood of suspense

Which of these sentences has an error in subject-verb agreement? a. official procedures calls for students who are tardy three times to serve detention. b. as a result of her efforts, a team of volunteers signs up every month to clean the city's parks. c. the committee of parents protested loudly at the school board meeting. d. each of the neighbors brings a dish to share at the pot-luck gathering.

What functions as a reflexive pronoun in the sentence the professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves

Ineed this answer “do you believe in free will or determination? why? ”