The normative model of strategic decision-making suggests that executives examine a firm’s external environment and internal conditions, and in using the set of objective criteria they derive from these analyses, can decide on a strategy.

A.conditions, and in using the set of objective criteria they derive from these analyses, can decide

B.conditions, and they use the set of objective criteria derived from these analyses in deciding

C.conditions, and, in using the set of objective criteria derived from these analyses,deciding

D.conditions and, using the set of objective criteria derived from these analyses, decide

E.conditions, and in their use the set of objective criteria they derive from these analyses, decide

大家能帮我解释下B 和E 么？

大家能帮我解释下B 和E 么？