Lorraine and Malcolm Have Been Married for Years

Lorraine and Malcolm have been married for years. In preparation for their annual skiing holiday, Lorraine goes on talking at length about things of no importance while she packs the clothes and food. Malcolm quietly concentrates while he checks the skiing equipment and the car. They always drive off well-prepared because:

A) Malcolm is evidently logical.
B) Lorraine and Malcolm use category-based transactive memory.
C) Lorraine has learned not to say anything important.
D) Malcolm avoid metastatements.