With 5G network， driverless cars will run than before．（ ）
| A． |
safe |
B． |
safer |
| C． |
safely |
D． |
more safely |
With 5G network， driverless cars will run than before．（ ）
| A． |
safe |
B． |
safer |
| C． |
safely |
D． |
more safely |
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