A.
Because of the increase in exposure to innovative forms of education,
consequently many parents are unsure whether the traditional schooling method is best for their children
Redundant usageB. Because of the increase in exposure to innovative forms of education, many parents are unsure
if the traditional schooling method is best for their children
"if" represents a condition. "whether" is the correct choice here as it is a question for the parentsC. There has been an increase in exposure to innovative forms of education, and consequently many parents are unsure
whether the traditional schooling method is best for their children
or notwhether....or not is redundant. "whether" is sufficientD. Because of the increase in exposure to innovative forms of education, many parents are unsure
whether or not the traditional schooling method is best for their children
whether or not is redundant. "whether" is sufficientE. There has been an increase in exposure to innovative forms of education; therefore, many parents are unsure whether the traditional schooling method is best for their children
Looks good !