Which of the Following Statements About B2B Marketing Is Not

Which of the following statements about B2B marketing is not true?

A) Mobile B2B marketing consumes less than 20% of B2B digital marketing budgets.
B) Only 10% of B2B marketers use mobile marketing technologies.
C) Content marketing is one of the primary and most effective marketing tools in B2B marketing.
D) The disparity between the amount spent on B2B marketing compared to B2C e-commerce reflects the different nature of much of B2B e-commerce when compared to B2C e-commerce.