【C14】
A. habits
B. interests
C. ingredients
D. factors
【C3】
A. Indeed
B. However
C. Anyway
D. Instead
What is the biggest concern of internet firms with the privacy bill？
A. downsizing ad revenues
B. decreasing digital data
C. ever-growing user base
D. increasingly demanding users
What's the response of the online-advertising industry towards the formal "do not rack system"？
A gentle persuasion.
B. A stiff resistance.
C. A forced surrender.
D. A combination of tough and soft.
微信支付 
支付宝支付