The title of jack’s speech is: no vouchers in higher education. which of the following would be the best thesis statement for his speech? a. vouchers in higher education improve our public schools and colleges, because experiments show us that education vouchers provide much-needed public funds for those who would otherwise not be able to benefit from the system. b. vouchers in higher education do not improve our public schools and colleges. c. vouchers in higher education do not improve our public schools and colleges, because experiments show us that education vouchers divert much-needed public funds for the few and have weakened the entire system. d. why don’t vouchers in higher education improve our public schools and colleges?