The term "content adjacency" refers to:

Group of answer choices

A$.$ placing advertisements to reach consumers based on various traits such as demographics and purchase history

B$.$ a technique used by online publishers to increase the effectiveness of their campaigns

C$.$ advertisements that are targeted based on a user's query

D$.$ a concern that an advertisement will run near offensive material, embarrassing an advertiser and$/$or degrading their products or brands

E$.$ problems associated with advertisements that run before a user arrives at the home page of a website