2. Memory-prompt technology such as online birthday reminders does more than enhance our recall abilities; it induces us to delegate ever more behaviors to automated processes. Witness the ( ) a program that allows us to create computer greeting cards for the entire year in one sitting.
a. controversy over
b. popularity of
c. sophistication of
전 C를 골랐는데 답은 B라고 하네요..이유가 뭘까요..