What Is the Primary Disadvantage of Employing a Full Coverage

What is the primary disadvantage of employing a full coverage strategy?

A) Gaining market distribution will be costly.
B) The organization may be spread too thin because of the resource requirements needed to reach all market-product combinations.
C) The organization achieves neither marketing nor manufacturing synergies.
D) R&D-manufacturing have the difficulty of producing multiple new lines.
E) The organization cannot take advantage of marketing or manufacturing synergies available to it through market or product specialization.