"susan refuses to have her daughter zoe vaccinated against any of the common childhood diseases because susan is afraid that vaccines can cause autism". what is the position of your text?

a. the research on this matter has not been conclusive; however, the fda believes the vaccines are safe.

b. susan's concerns are unwarranted because the research study suggesting that childhood vaccinations cause autism has been proven to be fraudulent.

c. susan is right in saying that vaccines have been found to cause autism

d. the controversy regarding vaccinations and the development of autism spectrum disorder has not been well documented.