The Belief Underlying the So-Called Pull Strategy Is

The belief underlying the so-called pull strategy is?

A) Frequent promotion deals erode consumer confidence.
B) Frequent promotions to channel members on products in trade deals result in deal-to-deal purchases by channel members.
C) Requires more direct involvement by the manufacturer with channel members in the use of promotional strategies.
D) Some channel members respond to excessive promotions by dropping manufacturer's products.
E) By building strong consumer demand for their products, manufacturers pressure channel members to promote these products.