Which of the following is the reason for developing hybrid cars？
A. They use less gas than regular cars． ______
| B. They' re safer to drive than most cars．
|
C. They're more modern than other cars．
| D. They cost less than regular cars． |
A. They use less gas than regular cars． ______
B. They' re safer to drive than most cars．
C. They're more modern than other cars．
D. They cost less than regular cars．
