SOME SCIENTISTS SAY THAT IT IS STILL NOT TOO LATE TO MINIMIZE THE...

19. Some scientists say that it is still not too late to minimize the effects of climate change_____enough money and effort are invested in correct projects. A. in case B. so that C. even if D. provided that V. Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.