According to the passage, driving can be made more expensive by

phần tiếp cả cái lúc nãy Ạ
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D. All of the above
3. According to the passage, driving can be made more expensive by
A. increasing parking fees
B. requiring pay for using roads in the city
C. applying fines for any car users
D. using a special electronic card
4. According to the passage, 'road pricing'
A. is already applied in some cities
B. is a system aiming at making driving more expensive
C. means drivers have to pay to use roads in cities
D. both A and B are correct
5. To get people to use public transport, it must NOT be:
A. comfortable
B. reliable
C. convenient
D. expensive