Which of the Following Statements Is True About Strategic Alliances

Which of the following statements is true about strategic alliances with suppliers?

A) In strategic alliances, the firm-supplier relationship remains market mediated and terminable if the supplier fails to perform.
B) There is nothing as trust between the firm and its suppliers in strategic alliances.
C) Strategic alliances are short-term relationships that benefit only the independent suppliers.
D) In a strategic alliance the benefits arising from investments in specialized assets and vertical integration are lost.
E) A firm that enters long-term alliances is expanding its strategic flexibility by committing to its alliance partners.