Identify the sentence that has a problem in subject-verb agreement. a. although the company’s new theme is open double quoteexcellence above all, close double quote their best-selling product was just recalled. b. the last lines of the book reveals the true identity of the criminal. c. several of our electronic devices, including our television remote, are powered by rechargeable batteries. d. the application from charles, although not delivered with the others, was received within the deadline.