【C5】
A. save
B. given
C. suppose
D. provided
Which of the following expressions is closest in meaning to "bat an eye over" (Line 2, Para. 5)？
A. care about
B. rejoice over
C. ignore
D. feel unfamiliar with
Convenience-for-privacy deals______.
A. are a new phenomenon brought out by the internet
B. are gaining popularity with the development of internet
C. are faced with the challenge from the internet
D. pose a threat to online businesses
The flicker of impatience in the husband's eyes melts into bemused______ as his wife asks
A. resignation
B. regradation
C. retrial
D. reverse
微信支付 
支付宝支付