複選題
47 What is TRUE about targeted advertising?
(A) It doesn’t focus on teenagers.
(B) It isn’t popular with everyone.
(C) It allows consumers to shop from home.
(D) It shortens the time that people spend on shopping.

Next time you watch a digital ad in a mall, be aware that the ad could be watching you!

Small cameras and special software are installed in the ad’s screen.

They track who is looking at the ad and for how long.

The software works out被算出 age and gender before serving up an ad specifically for that demographic人口的；人口統計、顧客群.

Men are shown razor（尤指刮鬍鬚或腳毛的）剃刀，刮鬍刀 ads, women can see cosmetics ads, and teens can learn about the latest video games.

This targeted advertising creates a personalized digital city for consumers.

Some people don’t like it, though雖然，儘管, 可是. 

In Germany, a supermarket chain used loyalty cards implanted物體, （手術中）植入 with RFID射频识别tracking chips電腦零件, （尤指電腦的）微晶片 to learn about its customers’ shopping habits.

The chips電腦零件, （尤指電腦的）微晶片 let the store know customers’ purchasing histories and even their movements inside the stores.

The chips電腦零件, （尤指電腦的）微晶片 were removed after people complained their privacy was being invaded入侵，侵略.

These new technologies are raising red flags about how far companies are willing to go to make a profit.

Consumers have no idea when they’re being watched, and there’s no regulation規則，條例，法規；控制 in place to deal with these practices.

Privacy campaigners urge（尤指難以或無法控制的）慾望 companies to tell consumers what details are being collected, how it is done, and why.

Even though it is meant to make data-analyzing convenient, the spying ends up being a little creepy.

複選的點在哪 A又錯在哪 有人能解釋一下嗎