Only after the atomic bomb and development in the air travel science fiction really become popular.
Choose the best option to complete each of the following sentences
Only after the atomic bomb ________ and development in the air travel _______, ______ science fiction really become popular.
A. had created/ had taken off/ was
B. had been created/ had been taken off/ has
C. had been created/ had taken off/ did
D. had been created/ / had taken off/ had