THE CINEMA DID NOT BECOME AN INDUSTRY UNTIL 191A. BY 1915 THE...

5. The cinema did not become an industry until 1915.

A. By 1915 the cinema had become an industry.

B. It was before 1915 that the cinema had become an industry.

C. The cinema did not become an industry before 1915.

D. It was not until 1915 that the cinema became an industry.