A study of business partnerships in which one partner’s management style differs from that of the other partner reveals that such partnerships are more likely be fraught with problems and to ultimately end in dissolution. Thus, mismatched management styles can seriously jeopardize a business partnership.

Which of the following, if true, most seriously weakens the argument above?

(A) Business partnerships in which both partners have the same management style also occasionally have disagreements that can jeopardize the partnership.
(B) The management style of individuals tends to vary from year to year.
(C) The individuals who have management style that differ significantly from those of their partners tend to argue little with spouses at home.
(D) Partners who are considering dissolution have been found to express hostility by adopting a different management styles from that of their partners.
(E) According to a recent study, most people’s management styles can be controlled and modified easily.

Source: previous GMAT test question