The correct answer is: B. 70%
Road transport is the most common mode of transportation in the country, accounting for about 70% of total transportation. This is due to the fact that road transport is relatively inexpensive and convenient. It is also a flexible mode of transportation, as it can be used to transport both passengers and goods.
The other options are incorrect because they do not accurately reflect the share of road transport in total transportation. Option A is incorrect because it underestimates the share of road transport. Option C is incorrect because it overestimates the share of road transport. Option D is incorrect because it is not a valid option.
Here is a brief explanation of each option:
- Option A: 60%. This option is incorrect because it underestimates the share of road transport. According to the National Highway Traffic Safety Administration, road transport accounted for 70% of total transportation in 2019.
- Option B: 70%. This option is correct because it accurately reflects the share of road transport. According to the National Highway Traffic Safety Administration, road transport accounted for 70% of total transportation in 2019.
- Option C: 75%. This option is incorrect because it overestimates the share of road transport. According to the National Highway Traffic Safety Administration, road transport accounted for 70% of total transportation in 2019.
- Option D: 80%. This option is incorrect because it is not a valid option.