Kristy's Decorations Inc is a firm that manufactures and sells Halloween decorations in Oakland. The firm starts heavily advertising its products during September and October, and sets up temporary shops in various neighborhoods during this period

After Halloween is over, the firm does not direct any messages to its target customers till the next year. In this example, Kristy's Decorations Inc uses which of the following marketing communications strategies?
A) a distributed frequency strategy
B) a gross frequency strategy
C) an umbrella strategy
D) a concentrated frequency strategy
E) a heavy-up message strategy

D