A Voter's Preferences Are Single-Peaked If

Multiple Choice

A voter's preferences are single-peaked if:

A) her net benefit from an activity increases with the activity's level until her ideal is reached and declines thereafter.
B) her total benefit from an activity increases with the activity's level until her ideal is reached and declines thereafter.
C) her net benefit from an activity decreases with the activity's level until her ideal is reached and declines thereafter.
D) her total benefit from an activity decreases with the activity's level until her ideal is reached and declines thereafter.