What Is the Best Strategy for Crossing the "Chasm

What is the best strategy for crossing the "chasm"?

A) Avoid implementing marketing strategies beyond what it takes to win the innovators,and then let word of mouth carry the product further.
B) Seek to make the product or service on offer as similar as possible to current market-leading products.
C) Focus resources on multiple market segments simultaneously in order to improve statistical chances of finding a purchase for the product.
D) Focus limited resources on winning over a single,primary market,and then move on to capture larger markets.