Which sentence has a subject-verb agreement error?
A) Some of the collected speeches of Mr. Max Jones were published in one volume by his friends.
B) Neither the coach nor his players knows whether or not this season will end in a championship ring or not.
C) The doctors who mistakenly prescribed asthma medicine instead of antibiotics were successfully sued by all the victims.
D) The many reasons for why Janice Shuster has been so successful are obvious to anyone with even a cursory knowledge of her life story