Which of the Following Is True of Product Planning

Which of the following is true of product planning?

A) If customers differ in their preferences, firms will often resort to a platform strategy.
B) Firms that take a domestic approach to new products, on average, do better than those that develop products for multinational markets.
C) If customer needs are very different; one way is to sell a global product that does not scale economies.
D) Firms adopt a "global" strategy to use several platforms to provide a single product across multinational markets.