Jeff Wants to Purchase a New House

Jeff wants to purchase a new house.He consults his family and friends on the area where he should buy.He contacts a number of house agents to find out more about the prices of the houses.He also searches online to have a look at the houses for sale and reads the comments of people interested in buying houses.This is an example of:

A) habitual decision making.
B) internal search for information.
C) postpurchase dissonance.
D) impulse buying.
E) external search for information.